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Finding the Fourth Proportional to 83,571.37, 125,389.87 and 36,791.44

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Solution

The fourth proportional to 83,571.37, 125,389.87 and 36,791.44 is: 55,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,571.37 : 125,389.87 = 36,791.44 : x
  2. Step 2: Convert to fraction form
    83,571.37/125,389.87 = 36,791.44/x
  3. Step 3: Cross multiply
    83,571.37x = 125,389.87 × 36,791.44
  4. Step 4: Simplify right side
    83,571.37x = 4,613,273,473.26
  5. Step 5: Solve for x
    x = 4,613,273,473.26/83,571.37
  6. Step 6: Final answer
    x = 55,201.60

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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.