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Finding the Fourth Proportional to 88,306.80, 132,414.60 and 25,969.20

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Solution

The fourth proportional to 88,306.80, 132,414.60 and 25,969.20 is: 38,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,306.80 : 132,414.60 = 25,969.20 : x
  2. Step 2: Convert to fraction form
    88,306.80/132,414.60 = 25,969.20/x
  3. Step 3: Cross multiply
    88,306.80x = 132,414.60 × 25,969.20
  4. Step 4: Simplify right side
    88,306.80x = 3,438,701,230.32
  5. Step 5: Solve for x
    x = 3,438,701,230.32/88,306.80
  6. Step 6: Final answer
    x = 38,940.39

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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.