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Finding the Fourth Proportional to 204,081.60, 305,517.60 and 151,723.20

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Solution

The fourth proportional to 204,081.60, 305,517.60 and 151,723.20 is: 227,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,081.60 : 305,517.60 = 151,723.20 : x
  2. Step 2: Convert to fraction form
    204,081.60/305,517.60 = 151,723.20/x
  3. Step 3: Cross multiply
    204,081.60x = 305,517.60 × 151,723.20
  4. Step 4: Simplify right side
    204,081.60x = 46,354,107,928.32
  5. Step 5: Solve for x
    x = 46,354,107,928.32/204,081.60
  6. Step 6: Final answer
    x = 227,135.17

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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.