We can solve this using proportional reasoning. If 147.2 corresponds to 15, we want to determine what 145.4 corresponds to using the same ratio.

Let's set up the proportion:

\[
\frac{147.2}{15} = \frac{145.4}{x}
\]

Now, solve for \( x \):

\[
x = \frac{145.4 \times 15}{147.2}
\]

Let's calculate this.It seems like I can’t do more advanced data analysis right now. Please try again later. However, you can manually calculate the value of \( x \) by following these steps:

1. Multiply 145.4 by 15.
2. Divide the result by 147.2.

If you'd like help verifying the result or need further clarification, feel free to let me know!

Here are some related questions you might find useful:

1. How can proportions be applied to similar problems?
2. What if the values were swapped? What would happen to the answer?
3. How can this ratio method be used in other types of math problems?
4. How would the calculation change if one of the values was significantly larger or smaller?
5. Could this be solved using another method, like percentages?

**Tip**: When dealing with ratios or proportions, always double-check if you're setting them up in the correct order for accurate results.

Learn how to solve a proportion problem where 147.2 corresponds to 15, and the value for 145.4 is unknown. This step-by-step guide covers ratios and the proportion theorem, suitable for students in Grades 6-8.

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