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Finding the Fourth Proportional to 88,503.64, 132,617.22 and 75,301.72

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Solution

The fourth proportional to 88,503.64, 132,617.22 and 75,301.72 is: 112,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,503.64 : 132,617.22 = 75,301.72 : x
  2. Step 2: Convert to fraction form
    88,503.64/132,617.22 = 75,301.72/x
  3. Step 3: Cross multiply
    88,503.64x = 132,617.22 × 75,301.72
  4. Step 4: Simplify right side
    88,503.64x = 9,986,304,767.62
  5. Step 5: Solve for x
    x = 9,986,304,767.62/88,503.64
  6. Step 6: Final answer
    x = 112,834.96

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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.