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Finding the Fourth Proportional to 88,564.50, 132,754.49 and 38,631.20

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Solution

The fourth proportional to 88,564.50, 132,754.49 and 38,631.20 is: 57,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,564.50 : 132,754.49 = 38,631.20 : x
  2. Step 2: Convert to fraction form
    88,564.50/132,754.49 = 38,631.20/x
  3. Step 3: Cross multiply
    88,564.50x = 132,754.49 × 38,631.20
  4. Step 4: Simplify right side
    88,564.50x = 5,128,464,397.16
  5. Step 5: Solve for x
    x = 5,128,464,397.16/88,564.50
  6. Step 6: Final answer
    x = 57,906.55

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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.