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Finding the Fourth Proportional to 267,753.97, 401,624.31 and 65,351.56

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Solution

The fourth proportional to 267,753.97, 401,624.31 and 65,351.56 is: 98,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,753.97 : 401,624.31 = 65,351.56 : x
  2. Step 2: Convert to fraction form
    267,753.97/401,624.31 = 65,351.56/x
  3. Step 3: Cross multiply
    267,753.97x = 401,624.31 × 65,351.56
  4. Step 4: Simplify right side
    267,753.97x = 26,246,775,192.42
  5. Step 5: Solve for x
    x = 26,246,775,192.42/267,753.97
  6. Step 6: Final answer
    x = 98,025.72

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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.