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Finding the Fourth Proportional to 166,791.42, 250,187.63 and 40,431.17

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Solution

The fourth proportional to 166,791.42, 250,187.63 and 40,431.17 is: 60,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,791.42 : 250,187.63 = 40,431.17 : x
  2. Step 2: Convert to fraction form
    166,791.42/250,187.63 = 40,431.17/x
  3. Step 3: Cross multiply
    166,791.42x = 250,187.63 × 40,431.17
  4. Step 4: Simplify right side
    166,791.42x = 10,115,379,023.74
  5. Step 5: Solve for x
    x = 10,115,379,023.74/166,791.42
  6. Step 6: Final answer
    x = 60,646.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.