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Finding the Fourth Proportional to 92,540.70, 127,727.25 and 60,218.37

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Solution

The fourth proportional to 92,540.70, 127,727.25 and 60,218.37 is: 83,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,540.70 : 127,727.25 = 60,218.37 : x
  2. Step 2: Convert to fraction form
    92,540.70/127,727.25 = 60,218.37/x
  3. Step 3: Cross multiply
    92,540.70x = 127,727.25 × 60,218.37
  4. Step 4: Simplify right side
    92,540.70x = 7,691,526,799.58
  5. Step 5: Solve for x
    x = 7,691,526,799.58/92,540.70
  6. Step 6: Final answer
    x = 83,115.07

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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.