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Finding the Fourth Proportional to 267,517.92, 401,277.65 and 67,838.45

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Solution

The fourth proportional to 267,517.92, 401,277.65 and 67,838.45 is: 101,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,517.92 : 401,277.65 = 67,838.45 : x
  2. Step 2: Convert to fraction form
    267,517.92/401,277.65 = 67,838.45/x
  3. Step 3: Cross multiply
    267,517.92x = 401,277.65 × 67,838.45
  4. Step 4: Simplify right side
    267,517.92x = 27,222,051,450.06
  5. Step 5: Solve for x
    x = 27,222,051,450.06/267,517.92
  6. Step 6: Final answer
    x = 101,757.86

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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.