The result of $17.2 \div 0.2$ is approximately $86$.

Would you like more details or have any questions?

Here are 5 related questions for further practice:

1. What is $18.5 \div 0.5$?
2. How would you calculate $12.6 \div 0.3$?
3. What is $24.8 \div 0.4$?
4. Divide $15.7$ by $0.1$.
5. What is the result of $6.4 \div 0.2$?

Tip: When dividing by a decimal, you can multiply both the numerator and denominator by 10 (or another power of 10) to remove the decimal for easier calculation. For example, $17.2 \div 0.2$ becomes $172 \div 2$.