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Finding the Fourth Proportional to 250,940.57, 376,470.08 and 82,461.38

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Solution

The fourth proportional to 250,940.57, 376,470.08 and 82,461.38 is: 123,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,940.57 : 376,470.08 = 82,461.38 : x
  2. Step 2: Convert to fraction form
    250,940.57/376,470.08 = 82,461.38/x
  3. Step 3: Cross multiply
    250,940.57x = 376,470.08 × 82,461.38
  4. Step 4: Simplify right side
    250,940.57x = 31,044,240,340.08
  5. Step 5: Solve for x
    x = 31,044,240,340.08/250,940.57
  6. Step 6: Final answer
    x = 123,711.53

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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.