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Finding the Fourth Proportional to 92,171.70, 127,195.92 and 53,414.82

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Solution

The fourth proportional to 92,171.70, 127,195.92 and 53,414.82 is: 73,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,171.70 : 127,195.92 = 53,414.82 : x
  2. Step 2: Convert to fraction form
    92,171.70/127,195.92 = 53,414.82/x
  3. Step 3: Cross multiply
    92,171.70x = 127,195.92 × 53,414.82
  4. Step 4: Simplify right side
    92,171.70x = 6,794,147,171.53
  5. Step 5: Solve for x
    x = 6,794,147,171.53/92,171.70
  6. Step 6: Final answer
    x = 73,711.86

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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.