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Finding the Fourth Proportional to 88,563.20, 132,920.40 and 36,010.40

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Solution

The fourth proportional to 88,563.20, 132,920.40 and 36,010.40 is: 54,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,563.20 : 132,920.40 = 36,010.40 : x
  2. Step 2: Convert to fraction form
    88,563.20/132,920.40 = 36,010.40/x
  3. Step 3: Cross multiply
    88,563.20x = 132,920.40 × 36,010.40
  4. Step 4: Simplify right side
    88,563.20x = 4,786,516,772.16
  5. Step 5: Solve for x
    x = 4,786,516,772.16/88,563.20
  6. Step 6: Final answer
    x = 54,046.34

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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.