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Finding the Fourth Proportional to 179,387.20, 269,080.80 and 104,591.80

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Solution

The fourth proportional to 179,387.20, 269,080.80 and 104,591.80 is: 156,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,387.20 : 269,080.80 = 104,591.80 : x
  2. Step 2: Convert to fraction form
    179,387.20/269,080.80 = 104,591.80/x
  3. Step 3: Cross multiply
    179,387.20x = 269,080.80 × 104,591.80
  4. Step 4: Simplify right side
    179,387.20x = 28,143,645,217.44
  5. Step 5: Solve for x
    x = 28,143,645,217.44/179,387.20
  6. Step 6: Final answer
    x = 156,887.70

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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.