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Finding the Fourth Proportional to 444,710.32, 667,076.42 and 129,169.96

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Solution

The fourth proportional to 444,710.32, 667,076.42 and 129,169.96 is: 193,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,710.32 : 667,076.42 = 129,169.96 : x
  2. Step 2: Convert to fraction form
    444,710.32/667,076.42 = 129,169.96/x
  3. Step 3: Cross multiply
    444,710.32x = 667,076.42 × 129,169.96
  4. Step 4: Simplify right side
    444,710.32x = 86,166,233,143.58
  5. Step 5: Solve for x
    x = 86,166,233,143.58/444,710.32
  6. Step 6: Final answer
    x = 193,758.12

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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.