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Finding the Fourth Proportional to 88,578.60, 132,839.10 and 29,404.20

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Solution

The fourth proportional to 88,578.60, 132,839.10 and 29,404.20 is: 44,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578.60 : 132,839.10 = 29,404.20 : x
  2. Step 2: Convert to fraction form
    88,578.60/132,839.10 = 29,404.20/x
  3. Step 3: Cross multiply
    88,578.60x = 132,839.10 × 29,404.20
  4. Step 4: Simplify right side
    88,578.60x = 3,906,027,464.22
  5. Step 5: Solve for x
    x = 3,906,027,464.22/88,578.60
  6. Step 6: Final answer
    x = 44,096.74

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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.