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Finding the Fourth Proportional to 501,874.38, 752,939.15 and 142,044.84

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Solution

The fourth proportional to 501,874.38, 752,939.15 and 142,044.84 is: 213,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,874.38 : 752,939.15 = 142,044.84 : x
  2. Step 2: Convert to fraction form
    501,874.38/752,939.15 = 142,044.84/x
  3. Step 3: Cross multiply
    501,874.38x = 752,939.15 × 142,044.84
  4. Step 4: Simplify right side
    501,874.38x = 106,951,120,381.26
  5. Step 5: Solve for x
    x = 106,951,120,381.26/501,874.38
  6. Step 6: Final answer
    x = 213,103.37

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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.