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Finding the Fourth Proportional to 225,877.60, 338,847.63 and 76,160.71

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Solution

The fourth proportional to 225,877.60, 338,847.63 and 76,160.71 is: 114,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,877.60 : 338,847.63 = 76,160.71 : x
  2. Step 2: Convert to fraction form
    225,877.60/338,847.63 = 76,160.71/x
  3. Step 3: Cross multiply
    225,877.60x = 338,847.63 × 76,160.71
  4. Step 4: Simplify right side
    225,877.60x = 25,806,876,082.62
  5. Step 5: Solve for x
    x = 25,806,876,082.62/225,877.60
  6. Step 6: Final answer
    x = 114,251.60

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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.