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Finding the Fourth Proportional to 252,732.91, 379,092.07 and 102,936.17

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Solution

The fourth proportional to 252,732.91, 379,092.07 and 102,936.17 is: 154,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,732.91 : 379,092.07 = 102,936.17 : x
  2. Step 2: Convert to fraction form
    252,732.91/379,092.07 = 102,936.17/x
  3. Step 3: Cross multiply
    252,732.91x = 379,092.07 × 102,936.17
  4. Step 4: Simplify right side
    252,732.91x = 39,022,284,996.69
  5. Step 5: Solve for x
    x = 39,022,284,996.69/252,732.91
  6. Step 6: Final answer
    x = 154,401.28

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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.