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Finding the Fourth Proportional to 121,863.74, 182,728.62 and 37,600.92

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Solution

The fourth proportional to 121,863.74, 182,728.62 and 37,600.92 is: 56,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,863.74 : 182,728.62 = 37,600.92 : x
  2. Step 2: Convert to fraction form
    121,863.74/182,728.62 = 37,600.92/x
  3. Step 3: Cross multiply
    121,863.74x = 182,728.62 × 37,600.92
  4. Step 4: Simplify right side
    121,863.74x = 6,870,764,222.33
  5. Step 5: Solve for x
    x = 6,870,764,222.33/121,863.74
  6. Step 6: Final answer
    x = 56,380.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.