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Finding the Fourth Proportional to 444,602.88, 666,906.03 and 107,642.97

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Solution

The fourth proportional to 444,602.88, 666,906.03 and 107,642.97 is: 161,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,602.88 : 666,906.03 = 107,642.97 : x
  2. Step 2: Convert to fraction form
    444,602.88/666,906.03 = 107,642.97/x
  3. Step 3: Cross multiply
    444,602.88x = 666,906.03 × 107,642.97
  4. Step 4: Simplify right side
    444,602.88x = 71,787,745,780.11
  5. Step 5: Solve for x
    x = 71,787,745,780.11/444,602.88
  6. Step 6: Final answer
    x = 161,464.87

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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.