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Finding the Fourth Proportional to 267,791.46, 401,685.45 and 68,110.11

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Solution

The fourth proportional to 267,791.46, 401,685.45 and 68,110.11 is: 102,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,791.46 : 401,685.45 = 68,110.11 : x
  2. Step 2: Convert to fraction form
    267,791.46/401,685.45 = 68,110.11/x
  3. Step 3: Cross multiply
    267,791.46x = 401,685.45 × 68,110.11
  4. Step 4: Simplify right side
    267,791.46x = 27,358,840,184.90
  5. Step 5: Solve for x
    x = 27,358,840,184.90/267,791.46
  6. Step 6: Final answer
    x = 102,164.72

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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.