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Finding the Fourth Proportional to 135,844.16, 203,501.16 and 88,954.88

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Solution

The fourth proportional to 135,844.16, 203,501.16 and 88,954.88 is: 133,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,844.16 : 203,501.16 = 88,954.88 : x
  2. Step 2: Convert to fraction form
    135,844.16/203,501.16 = 88,954.88/x
  3. Step 3: Cross multiply
    135,844.16x = 203,501.16 × 88,954.88
  4. Step 4: Simplify right side
    135,844.16x = 18,102,420,250.16
  5. Step 5: Solve for x
    x = 18,102,420,250.16/135,844.16
  6. Step 6: Final answer
    x = 133,258.73

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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.