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Finding the Fourth Proportional to 135,843.80, 203,500.65 and 88,954.52

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Solution

The fourth proportional to 135,843.80, 203,500.65 and 88,954.52 is: 133,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,843.80 : 203,500.65 = 88,954.52 : x
  2. Step 2: Convert to fraction form
    135,843.80/203,500.65 = 88,954.52/x
  3. Step 3: Cross multiply
    135,843.80x = 203,500.65 × 88,954.52
  4. Step 4: Simplify right side
    135,843.80x = 18,102,302,640.44
  5. Step 5: Solve for x
    x = 18,102,302,640.44/135,843.80
  6. Step 6: Final answer
    x = 133,258.22

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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.