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Finding the Fourth Proportional to 60,016.92, 90,044.61 and 42,023.89

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Solution

The fourth proportional to 60,016.92, 90,044.61 and 42,023.89 is: 63,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,016.92 : 90,044.61 = 42,023.89 : x
  2. Step 2: Convert to fraction form
    60,016.92/90,044.61 = 42,023.89/x
  3. Step 3: Cross multiply
    60,016.92x = 90,044.61 × 42,023.89
  4. Step 4: Simplify right side
    60,016.92x = 3,784,024,723.83
  5. Step 5: Solve for x
    x = 3,784,024,723.83/60,016.92
  6. Step 6: Final answer
    x = 63,049.29

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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.