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Finding the Fourth Proportional to 204,460.20, 306,034.20 and 159,845.40

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Solution

The fourth proportional to 204,460.20, 306,034.20 and 159,845.40 is: 239,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,460.20 : 306,034.20 = 159,845.40 : x
  2. Step 2: Convert to fraction form
    204,460.20/306,034.20 = 159,845.40/x
  3. Step 3: Cross multiply
    204,460.20x = 306,034.20 × 159,845.40
  4. Step 4: Simplify right side
    204,460.20x = 48,918,159,112.68
  5. Step 5: Solve for x
    x = 48,918,159,112.68/204,460.20
  6. Step 6: Final answer
    x = 239,255.17

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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.