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Finding the Fourth Proportional to 267,601.92, 401,418.24 and 80,593.92

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Solution

The fourth proportional to 267,601.92, 401,418.24 and 80,593.92 is: 120,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,601.92 : 401,418.24 = 80,593.92 : x
  2. Step 2: Convert to fraction form
    267,601.92/401,418.24 = 80,593.92/x
  3. Step 3: Cross multiply
    267,601.92x = 401,418.24 × 80,593.92
  4. Step 4: Simplify right side
    267,601.92x = 32,351,869,521.10
  5. Step 5: Solve for x
    x = 32,351,869,521.10/267,601.92
  6. Step 6: Final answer
    x = 120,895.51

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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.