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Finding the Fourth Proportional to 267,951.29, 402,005.90 and 107,944.89

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Solution

The fourth proportional to 267,951.29, 402,005.90 and 107,944.89 is: 161,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,951.29 : 402,005.90 = 107,944.89 : x
  2. Step 2: Convert to fraction form
    267,951.29/402,005.90 = 107,944.89/x
  3. Step 3: Cross multiply
    267,951.29x = 402,005.90 × 107,944.89
  4. Step 4: Simplify right side
    267,951.29x = 43,394,482,115.13
  5. Step 5: Solve for x
    x = 43,394,482,115.13/267,951.29
  6. Step 6: Final answer
    x = 161,949.14

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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.