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Finding the Fourth Proportional to 181,691.25, 250,677.49 and 103,096.32

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Solution

The fourth proportional to 181,691.25, 250,677.49 and 103,096.32 is: 142,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,691.25 : 250,677.49 = 103,096.32 : x
  2. Step 2: Convert to fraction form
    181,691.25/250,677.49 = 103,096.32/x
  3. Step 3: Cross multiply
    181,691.25x = 250,677.49 × 103,096.32
  4. Step 4: Simplify right side
    181,691.25x = 25,843,926,498.88
  5. Step 5: Solve for x
    x = 25,843,926,498.88/181,691.25
  6. Step 6: Final answer
    x = 142,240.90

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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.