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Finding the Fourth Proportional to 444,990.24, 667,524.69 and 125,144.82

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Solution

The fourth proportional to 444,990.24, 667,524.69 and 125,144.82 is: 187,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,990.24 : 667,524.69 = 125,144.82 : x
  2. Step 2: Convert to fraction form
    444,990.24/667,524.69 = 125,144.82/x
  3. Step 3: Cross multiply
    444,990.24x = 667,524.69 × 125,144.82
  4. Step 4: Simplify right side
    444,990.24x = 83,537,257,175.61
  5. Step 5: Solve for x
    x = 83,537,257,175.61/444,990.24
  6. Step 6: Final answer
    x = 187,728.29

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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.