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Finding the Fourth Proportional to 252,791.73, 379,187.60 and 75,294.13

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Solution

The fourth proportional to 252,791.73, 379,187.60 and 75,294.13 is: 112,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,791.73 : 379,187.60 = 75,294.13 : x
  2. Step 2: Convert to fraction form
    252,791.73/379,187.60 = 75,294.13/x
  3. Step 3: Cross multiply
    252,791.73x = 379,187.60 × 75,294.13
  4. Step 4: Simplify right side
    252,791.73x = 28,550,598,176.38
  5. Step 5: Solve for x
    x = 28,550,598,176.38/252,791.73
  6. Step 6: Final answer
    x = 112,941.19

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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.