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Finding the Fourth Proportional to 267,620.56, 401,431.02 and 67,955.92

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Solution

The fourth proportional to 267,620.56, 401,431.02 and 67,955.92 is: 101,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,620.56 : 401,431.02 = 67,955.92 : x
  2. Step 2: Convert to fraction form
    267,620.56/401,431.02 = 67,955.92/x
  3. Step 3: Cross multiply
    267,620.56x = 401,431.02 × 67,955.92
  4. Step 4: Simplify right side
    267,620.56x = 27,279,614,280.64
  5. Step 5: Solve for x
    x = 27,279,614,280.64/267,620.56
  6. Step 6: Final answer
    x = 101,933.93

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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.