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Finding the Fourth Proportional to 181,761.56, 250,839.14 and 101,194.30

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Solution

The fourth proportional to 181,761.56, 250,839.14 and 101,194.30 is: 139,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,761.56 : 250,839.14 = 101,194.30 : x
  2. Step 2: Convert to fraction form
    181,761.56/250,839.14 = 101,194.30/x
  3. Step 3: Cross multiply
    181,761.56x = 250,839.14 × 101,194.30
  4. Step 4: Simplify right side
    181,761.56x = 25,383,491,184.90
  5. Step 5: Solve for x
    x = 25,383,491,184.90/181,761.56
  6. Step 6: Final answer
    x = 139,652.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.