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Finding the Fourth Proportional to 168,286.55, 252,236.03 and 68,337

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Solution

The fourth proportional to 168,286.55, 252,236.03 and 68,337 is: 102,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,286.55 : 252,236.03 = 68,337 : x
  2. Step 2: Convert to fraction form
    168,286.55/252,236.03 = 68,337/x
  3. Step 3: Cross multiply
    168,286.55x = 252,236.03 × 68,337
  4. Step 4: Simplify right side
    168,286.55x = 17,237,053,240.43
  5. Step 5: Solve for x
    x = 17,237,053,240.43/168,286.55
  6. Step 6: Final answer
    x = 102,426.81

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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.