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Finding the Fourth Proportional to 83,856.60, 125,882.10 and 50,614.20

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Solution

The fourth proportional to 83,856.60, 125,882.10 and 50,614.20 is: 75,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,856.60 : 125,882.10 = 50,614.20 : x
  2. Step 2: Convert to fraction form
    83,856.60/125,882.10 = 50,614.20/x
  3. Step 3: Cross multiply
    83,856.60x = 125,882.10 × 50,614.20
  4. Step 4: Simplify right side
    83,856.60x = 6,371,421,785.82
  5. Step 5: Solve for x
    x = 6,371,421,785.82/83,856.60
  6. Step 6: Final answer
    x = 75,979.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.