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Finding the Fourth Proportional to 168,967.52, 253,227.08 and 140,942.48

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Solution

The fourth proportional to 168,967.52, 253,227.08 and 140,942.48 is: 211,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,967.52 : 253,227.08 = 140,942.48 : x
  2. Step 2: Convert to fraction form
    168,967.52/253,227.08 = 140,942.48/x
  3. Step 3: Cross multiply
    168,967.52x = 253,227.08 × 140,942.48
  4. Step 4: Simplify right side
    168,967.52x = 35,690,452,658.36
  5. Step 5: Solve for x
    x = 35,690,452,658.36/168,967.52
  6. Step 6: Final answer
    x = 211,226.71

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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.