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Finding the Fourth Proportional to 181,197.60, 250,060.23 and 100,625.78

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Solution

The fourth proportional to 181,197.60, 250,060.23 and 100,625.78 is: 138,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,197.60 : 250,060.23 = 100,625.78 : x
  2. Step 2: Convert to fraction form
    181,197.60/250,060.23 = 100,625.78/x
  3. Step 3: Cross multiply
    181,197.60x = 250,060.23 × 100,625.78
  4. Step 4: Simplify right side
    181,197.60x = 25,162,505,690.73
  5. Step 5: Solve for x
    x = 25,162,505,690.73/181,197.60
  6. Step 6: Final answer
    x = 138,867.76

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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.