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Finding the Fourth Proportional to 267,180.28, 400,813.98 and 126,891.52

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Solution

The fourth proportional to 267,180.28, 400,813.98 and 126,891.52 is: 190,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,180.28 : 400,813.98 = 126,891.52 : x
  2. Step 2: Convert to fraction form
    267,180.28/400,813.98 = 126,891.52/x
  3. Step 3: Cross multiply
    267,180.28x = 400,813.98 × 126,891.52
  4. Step 4: Simplify right side
    267,180.28x = 50,859,895,159.45
  5. Step 5: Solve for x
    x = 50,859,895,159.45/267,180.28
  6. Step 6: Final answer
    x = 190,357.97

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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.