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Finding the Fourth Proportional to 299,331.36, 449,016.48 and 88,951.68

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Solution

The fourth proportional to 299,331.36, 449,016.48 and 88,951.68 is: 133,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,331.36 : 449,016.48 = 88,951.68 : x
  2. Step 2: Convert to fraction form
    299,331.36/449,016.48 = 88,951.68/x
  3. Step 3: Cross multiply
    299,331.36x = 449,016.48 × 88,951.68
  4. Step 4: Simplify right side
    299,331.36x = 39,940,770,243.69
  5. Step 5: Solve for x
    x = 39,940,770,243.69/299,331.36
  6. Step 6: Final answer
    x = 133,433.30

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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.