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Finding the Fourth Proportional to 267,176.28, 400,807.98 and 126,887.52

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Solution

The fourth proportional to 267,176.28, 400,807.98 and 126,887.52 is: 190,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,176.28 : 400,807.98 = 126,887.52 : x
  2. Step 2: Convert to fraction form
    267,176.28/400,807.98 = 126,887.52/x
  3. Step 3: Cross multiply
    267,176.28x = 400,807.98 × 126,887.52
  4. Step 4: Simplify right side
    267,176.28x = 50,857,530,578.41
  5. Step 5: Solve for x
    x = 50,857,530,578.41/267,176.28
  6. Step 6: Final answer
    x = 190,351.97

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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.