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Finding the Fourth Proportional to 181,188.71, 250,046.84 and 100,617.60

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Solution

The fourth proportional to 181,188.71, 250,046.84 and 100,617.60 is: 138,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,188.71 : 250,046.84 = 100,617.60 : x
  2. Step 2: Convert to fraction form
    181,188.71/250,046.84 = 100,617.60/x
  3. Step 3: Cross multiply
    181,188.71x = 250,046.84 × 100,617.60
  4. Step 4: Simplify right side
    181,188.71x = 25,159,113,179.93
  5. Step 5: Solve for x
    x = 25,159,113,179.93/181,188.71
  6. Step 6: Final answer
    x = 138,855.86

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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.