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Finding the Fourth Proportional to 251,990.46, 377,785.89 and 132,024.41

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Solution

The fourth proportional to 251,990.46, 377,785.89 and 132,024.41 is: 197,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,990.46 : 377,785.89 = 132,024.41 : x
  2. Step 2: Convert to fraction form
    251,990.46/377,785.89 = 132,024.41/x
  3. Step 3: Cross multiply
    251,990.46x = 377,785.89 × 132,024.41
  4. Step 4: Simplify right side
    251,990.46x = 49,876,957,344.65
  5. Step 5: Solve for x
    x = 49,876,957,344.65/251,990.46
  6. Step 6: Final answer
    x = 197,931.93

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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.