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Finding the Fourth Proportional to 83,617.76, 125,360.76 and 41,469.68

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Solution

The fourth proportional to 83,617.76, 125,360.76 and 41,469.68 is: 62,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,617.76 : 125,360.76 = 41,469.68 : x
  2. Step 2: Convert to fraction form
    83,617.76/125,360.76 = 41,469.68/x
  3. Step 3: Cross multiply
    83,617.76x = 125,360.76 × 41,469.68
  4. Step 4: Simplify right side
    83,617.76x = 5,198,670,601.76
  5. Step 5: Solve for x
    x = 5,198,670,601.76/83,617.76
  6. Step 6: Final answer
    x = 62,171.85

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1.5x scale

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.