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Finding the Fourth Proportional to 71,535.73, 107,305.85 and 34,099.87

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Solution

The fourth proportional to 71,535.73, 107,305.85 and 34,099.87 is: 51,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,535.73 : 107,305.85 = 34,099.87 : x
  2. Step 2: Convert to fraction form
    71,535.73/107,305.85 = 34,099.87/x
  3. Step 3: Cross multiply
    71,535.73x = 107,305.85 × 34,099.87
  4. Step 4: Simplify right side
    71,535.73x = 3,659,115,535.24
  5. Step 5: Solve for x
    x = 3,659,115,535.24/71,535.73
  6. Step 6: Final answer
    x = 51,150.88

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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.