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Finding the Fourth Proportional to 88,912.27, 133,391.19 and 75,446.27

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Solution

The fourth proportional to 88,912.27, 133,391.19 and 75,446.27 is: 113,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,912.27 : 133,391.19 = 75,446.27 : x
  2. Step 2: Convert to fraction form
    88,912.27/133,391.19 = 75,446.27/x
  3. Step 3: Cross multiply
    88,912.27x = 133,391.19 × 75,446.27
  4. Step 4: Simplify right side
    88,912.27x = 10,063,867,736.36
  5. Step 5: Solve for x
    x = 10,063,867,736.36/88,912.27
  6. Step 6: Final answer
    x = 113,188.74

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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.