Finding the Fourth Proportional to 204,872.68, 307,305.96 and 124,934.14
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Solution
The fourth proportional to 204,872.68, 307,305.96 and 124,934.14 is: 187,399.34
Step by Step Solution
- Step 1: Write the proportion equation
204,872.68 : 307,305.96 = 124,934.14 : x - Step 2: Convert to fraction form
204,872.68/307,305.96 = 124,934.14/x - Step 3: Cross multiply
204,872.68x = 307,305.96 × 124,934.14 - Step 4: Simplify right side
204,872.68x = 38,393,005,829.47 - Step 5: Solve for x
x = 38,393,005,829.47/204,872.68 - Step 6: Final answer
x = 187,399.34
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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.