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Finding the Fourth Proportional to 181,198.70, 250,062.58 and 100,626.58

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Solution

The fourth proportional to 181,198.70, 250,062.58 and 100,626.58 is: 138,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,198.70 : 250,062.58 = 100,626.58 : x
  2. Step 2: Convert to fraction form
    181,198.70/250,062.58 = 100,626.58/x
  3. Step 3: Cross multiply
    181,198.70x = 250,062.58 × 100,626.58
  4. Step 4: Simplify right side
    181,198.70x = 25,162,942,211.38
  5. Step 5: Solve for x
    x = 25,162,942,211.38/181,198.70
  6. Step 6: Final answer
    x = 138,869.33

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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.