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Finding the Fourth Proportional to 87,474.75, 131,201.71 and 51,472.73

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Solution

The fourth proportional to 87,474.75, 131,201.71 and 51,472.73 is: 77,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,474.75 : 131,201.71 = 51,472.73 : x
  2. Step 2: Convert to fraction form
    87,474.75/131,201.71 = 51,472.73/x
  3. Step 3: Cross multiply
    87,474.75x = 131,201.71 × 51,472.73
  4. Step 4: Simplify right side
    87,474.75x = 6,753,310,194.37
  5. Step 5: Solve for x
    x = 6,753,310,194.37/87,474.75
  6. Step 6: Final answer
    x = 77,202.97

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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.