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Finding the Fourth Proportional to 181,718.62, 250,759.20 and 113,732.74

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Solution

The fourth proportional to 181,718.62, 250,759.20 and 113,732.74 is: 156,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,718.62 : 250,759.20 = 113,732.74 : x
  2. Step 2: Convert to fraction form
    181,718.62/250,759.20 = 113,732.74/x
  3. Step 3: Cross multiply
    181,718.62x = 250,759.20 × 113,732.74
  4. Step 4: Simplify right side
    181,718.62x = 28,519,530,896.21
  5. Step 5: Solve for x
    x = 28,519,530,896.21/181,718.62
  6. Step 6: Final answer
    x = 156,943.36

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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.