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Finding the Fourth Proportional to 83,753.77, 125,528.46 and 39,321.22

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Solution

The fourth proportional to 83,753.77, 125,528.46 and 39,321.22 is: 58,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,753.77 : 125,528.46 = 39,321.22 : x
  2. Step 2: Convert to fraction form
    83,753.77/125,528.46 = 39,321.22/x
  3. Step 3: Cross multiply
    83,753.77x = 125,528.46 × 39,321.22
  4. Step 4: Simplify right side
    83,753.77x = 4,935,932,191.92
  5. Step 5: Solve for x
    x = 4,935,932,191.92/83,753.77
  6. Step 6: Final answer
    x = 58,933.85

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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.