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Finding the Fourth Proportional to 444,780.86, 667,165.41 and 107,824.53

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Solution

The fourth proportional to 444,780.86, 667,165.41 and 107,824.53 is: 161,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,780.86 : 667,165.41 = 107,824.53 : x
  2. Step 2: Convert to fraction form
    444,780.86/667,165.41 = 107,824.53/x
  3. Step 3: Cross multiply
    444,780.86x = 667,165.41 × 107,824.53
  4. Step 4: Simplify right side
    444,780.86x = 71,936,796,765.51
  5. Step 5: Solve for x
    x = 71,936,796,765.51/444,780.86
  6. Step 6: Final answer
    x = 161,735.37

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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.