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Finding the Fourth Proportional to 83,660.61, 125,481.72 and 24,496.86

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Solution

The fourth proportional to 83,660.61, 125,481.72 and 24,496.86 is: 36,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,660.61 : 125,481.72 = 24,496.86 : x
  2. Step 2: Convert to fraction form
    83,660.61/125,481.72 = 24,496.86/x
  3. Step 3: Cross multiply
    83,660.61x = 125,481.72 × 24,496.86
  4. Step 4: Simplify right side
    83,660.61x = 3,073,908,127.40
  5. Step 5: Solve for x
    x = 3,073,908,127.40/83,660.61
  6. Step 6: Final answer
    x = 36,742.60

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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.