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Finding the Fourth Proportional to 267,033.20, 400,498.80 and 80,044.70

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Solution

The fourth proportional to 267,033.20, 400,498.80 and 80,044.70 is: 120,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,033.20 : 400,498.80 = 80,044.70 : x
  2. Step 2: Convert to fraction form
    267,033.20/400,498.80 = 80,044.70/x
  3. Step 3: Cross multiply
    267,033.20x = 400,498.80 × 80,044.70
  4. Step 4: Simplify right side
    267,033.20x = 32,057,806,296.36
  5. Step 5: Solve for x
    x = 32,057,806,296.36/267,033.20
  6. Step 6: Final answer
    x = 120,051.76

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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.