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Finding the Fourth Proportional to 466,151.21, 699,262.07 and 129,187.97

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Solution

The fourth proportional to 466,151.21, 699,262.07 and 129,187.97 is: 193,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,151.21 : 699,262.07 = 129,187.97 : x
  2. Step 2: Convert to fraction form
    466,151.21/699,262.07 = 129,187.97/x
  3. Step 3: Cross multiply
    466,151.21x = 699,262.07 × 129,187.97
  4. Step 4: Simplify right side
    466,151.21x = 90,336,247,321.30
  5. Step 5: Solve for x
    x = 90,336,247,321.30/466,151.21
  6. Step 6: Final answer
    x = 193,791.73

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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.