Finding the Fourth Proportional to 192,371.99, 288,572.49 and 57,425.41
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Solution
The fourth proportional to 192,371.99, 288,572.49 and 57,425.41 is: 86,142.44
Step by Step Solution
- Step 1: Write the proportion equation
192,371.99 : 288,572.49 = 57,425.41 : x - Step 2: Convert to fraction form
192,371.99/288,572.49 = 57,425.41/x - Step 3: Cross multiply
192,371.99x = 288,572.49 × 57,425.41 - Step 4: Simplify right side
192,371.99x = 16,571,392,048.20 - Step 5: Solve for x
x = 16,571,392,048.20/192,371.99 - Step 6: Final answer
x = 86,142.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.