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Finding the Fourth Proportional to 204,155.60, 306,211.80 and 63,906.80

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Solution

The fourth proportional to 204,155.60, 306,211.80 and 63,906.80 is: 95,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,155.60 : 306,211.80 = 63,906.80 : x
  2. Step 2: Convert to fraction form
    204,155.60/306,211.80 = 63,906.80/x
  3. Step 3: Cross multiply
    204,155.60x = 306,211.80 × 63,906.80
  4. Step 4: Simplify right side
    204,155.60x = 19,569,016,260.24
  5. Step 5: Solve for x
    x = 19,569,016,260.24/204,155.60
  6. Step 6: Final answer
    x = 95,853.44

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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.