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Finding the Fourth Proportional to 179,793.70, 269,844.15 and 80,107.30

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Solution

The fourth proportional to 179,793.70, 269,844.15 and 80,107.30 is: 120,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,793.70 : 269,844.15 = 80,107.30 : x
  2. Step 2: Convert to fraction form
    179,793.70/269,844.15 = 80,107.30/x
  3. Step 3: Cross multiply
    179,793.70x = 269,844.15 × 80,107.30
  4. Step 4: Simplify right side
    179,793.70x = 21,616,486,277.30
  5. Step 5: Solve for x
    x = 21,616,486,277.30/179,793.70
  6. Step 6: Final answer
    x = 120,229.39

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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.