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Finding the Fourth Proportional to 86,882.52, 119,862.24 and 52,863.74

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Solution

The fourth proportional to 86,882.52, 119,862.24 and 52,863.74 is: 72,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,882.52 : 119,862.24 = 52,863.74 : x
  2. Step 2: Convert to fraction form
    86,882.52/119,862.24 = 52,863.74/x
  3. Step 3: Cross multiply
    86,882.52x = 119,862.24 × 52,863.74
  4. Step 4: Simplify right side
    86,882.52x = 6,336,365,691.87
  5. Step 5: Solve for x
    x = 6,336,365,691.87/86,882.52
  6. Step 6: Final answer
    x = 72,930.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.