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Finding the Fourth Proportional to 168,462.70, 252,679.46 and 68,633.44

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Solution

The fourth proportional to 168,462.70, 252,679.46 and 68,633.44 is: 102,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,462.70 : 252,679.46 = 68,633.44 : x
  2. Step 2: Convert to fraction form
    168,462.70/252,679.46 = 68,633.44/x
  3. Step 3: Cross multiply
    168,462.70x = 252,679.46 × 68,633.44
  4. Step 4: Simplify right side
    168,462.70x = 17,342,260,557.14
  5. Step 5: Solve for x
    x = 17,342,260,557.14/168,462.70
  6. Step 6: Final answer
    x = 102,944.22

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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.