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Finding the Fourth Proportional to 116,791.57, 175,099.05 and 49,344.49

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Solution

The fourth proportional to 116,791.57, 175,099.05 and 49,344.49 is: 73,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,791.57 : 175,099.05 = 49,344.49 : x
  2. Step 2: Convert to fraction form
    116,791.57/175,099.05 = 49,344.49/x
  3. Step 3: Cross multiply
    116,791.57x = 175,099.05 × 49,344.49
  4. Step 4: Simplify right side
    116,791.57x = 8,640,173,321.73
  5. Step 5: Solve for x
    x = 8,640,173,321.73/116,791.57
  6. Step 6: Final answer
    x = 73,979.43

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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.