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Finding the Fourth Proportional to 204,843.80, 306,747.30 and 163,371.80

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Solution

The fourth proportional to 204,843.80, 306,747.30 and 163,371.80 is: 244,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,843.80 : 306,747.30 = 163,371.80 : x
  2. Step 2: Convert to fraction form
    204,843.80/306,747.30 = 163,371.80/x
  3. Step 3: Cross multiply
    204,843.80x = 306,747.30 × 163,371.80
  4. Step 4: Simplify right side
    204,843.80x = 50,113,858,546.14
  5. Step 5: Solve for x
    x = 50,113,858,546.14/204,843.80
  6. Step 6: Final answer
    x = 244,644.25

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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.