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Finding the Fourth Proportional to 179,893.67, 269,791.20 and 67,565.21

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Solution

The fourth proportional to 179,893.67, 269,791.20 and 67,565.21 is: 101,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,893.67 : 269,791.20 = 67,565.21 : x
  2. Step 2: Convert to fraction form
    179,893.67/269,791.20 = 67,565.21/x
  3. Step 3: Cross multiply
    179,893.67x = 269,791.20 × 67,565.21
  4. Step 4: Simplify right side
    179,893.67x = 18,228,497,735.20
  5. Step 5: Solve for x
    x = 18,228,497,735.20/179,893.67
  6. Step 6: Final answer
    x = 101,329.29

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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.