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Finding the Fourth Proportional to 267,248.72, 400,909.88 and 89,806.48

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Solution

The fourth proportional to 267,248.72, 400,909.88 and 89,806.48 is: 134,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,248.72 : 400,909.88 = 89,806.48 : x
  2. Step 2: Convert to fraction form
    267,248.72/400,909.88 = 89,806.48/x
  3. Step 3: Cross multiply
    267,248.72x = 400,909.88 × 89,806.48
  4. Step 4: Simplify right side
    267,248.72x = 36,004,305,120.02
  5. Step 5: Solve for x
    x = 36,004,305,120.02/267,248.72
  6. Step 6: Final answer
    x = 134,722.09

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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.