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Finding the Fourth Proportional to 123,917.95, 185,772.43 and 53,744.41

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Solution

The fourth proportional to 123,917.95, 185,772.43 and 53,744.41 is: 80,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,917.95 : 185,772.43 = 53,744.41 : x
  2. Step 2: Convert to fraction form
    123,917.95/185,772.43 = 53,744.41/x
  3. Step 3: Cross multiply
    123,917.95x = 185,772.43 × 53,744.41
  4. Step 4: Simplify right side
    123,917.95x = 9,984,229,644.62
  5. Step 5: Solve for x
    x = 9,984,229,644.62/123,917.95
  6. Step 6: Final answer
    x = 80,571.29

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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.