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Finding the Fourth Proportional to 92,691.22, 127,914.89 and 54,452.38

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Solution

The fourth proportional to 92,691.22, 127,914.89 and 54,452.38 is: 75,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,691.22 : 127,914.89 = 54,452.38 : x
  2. Step 2: Convert to fraction form
    92,691.22/127,914.89 = 54,452.38/x
  3. Step 3: Cross multiply
    92,691.22x = 127,914.89 × 54,452.38
  4. Step 4: Simplify right side
    92,691.22x = 6,965,270,023.80
  5. Step 5: Solve for x
    x = 6,965,270,023.80/92,691.22
  6. Step 6: Final answer
    x = 75,144.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.