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Finding the Fourth Proportional to 107,793.52, 148,759.66 and 60,046.90

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Solution

The fourth proportional to 107,793.52, 148,759.66 and 60,046.90 is: 82,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,793.52 : 148,759.66 = 60,046.90 : x
  2. Step 2: Convert to fraction form
    107,793.52/148,759.66 = 60,046.90/x
  3. Step 3: Cross multiply
    107,793.52x = 148,759.66 × 60,046.90
  4. Step 4: Simplify right side
    107,793.52x = 8,932,556,428.05
  5. Step 5: Solve for x
    x = 8,932,556,428.05/107,793.52
  6. Step 6: Final answer
    x = 82,867.29

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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.