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Finding the Fourth Proportional to 66,753.70, 100,167.41 and 27,338.43

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Solution

The fourth proportional to 66,753.70, 100,167.41 and 27,338.43 is: 41,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753.70 : 100,167.41 = 27,338.43 : x
  2. Step 2: Convert to fraction form
    66,753.70/100,167.41 = 27,338.43/x
  3. Step 3: Cross multiply
    66,753.70x = 100,167.41 × 27,338.43
  4. Step 4: Simplify right side
    66,753.70x = 2,738,419,726.57
  5. Step 5: Solve for x
    x = 2,738,419,726.57/66,753.70
  6. Step 6: Final answer
    x = 41,022.74

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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.