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Finding the Fourth Proportional to 150,050.43, 207,061.11 and 82,053.90

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Solution

The fourth proportional to 150,050.43, 207,061.11 and 82,053.90 is: 113,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,050.43 : 207,061.11 = 82,053.90 : x
  2. Step 2: Convert to fraction form
    150,050.43/207,061.11 = 82,053.90/x
  3. Step 3: Cross multiply
    150,050.43x = 207,061.11 × 82,053.90
  4. Step 4: Simplify right side
    150,050.43x = 16,990,171,613.83
  5. Step 5: Solve for x
    x = 16,990,171,613.83/150,050.43
  6. Step 6: Final answer
    x = 113,229.74

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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.