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Finding the Fourth Proportional to 68,500.44, 102,750.18 and 35,229.78

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Solution

The fourth proportional to 68,500.44, 102,750.18 and 35,229.78 is: 52,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,500.44 : 102,750.18 = 35,229.78 : x
  2. Step 2: Convert to fraction form
    68,500.44/102,750.18 = 35,229.78/x
  3. Step 3: Cross multiply
    68,500.44x = 102,750.18 × 35,229.78
  4. Step 4: Simplify right side
    68,500.44x = 3,619,866,236.36
  5. Step 5: Solve for x
    x = 3,619,866,236.36/68,500.44
  6. Step 6: Final answer
    x = 52,844.42

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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.