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Finding the Fourth Proportional to 83,581.37, 125,404.87 and 36,801.44

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Solution

The fourth proportional to 83,581.37, 125,404.87 and 36,801.44 is: 55,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,581.37 : 125,404.87 = 36,801.44 : x
  2. Step 2: Convert to fraction form
    83,581.37/125,404.87 = 36,801.44/x
  3. Step 3: Cross multiply
    83,581.37x = 125,404.87 × 36,801.44
  4. Step 4: Simplify right side
    83,581.37x = 4,615,079,799.01
  5. Step 5: Solve for x
    x = 4,615,079,799.01/83,581.37
  6. Step 6: Final answer
    x = 55,216.61

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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.