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Finding the Fourth Proportional to 168,379.20, 232,379.64 and 125,863.92

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Solution

The fourth proportional to 168,379.20, 232,379.64 and 125,863.92 is: 173,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,379.20 : 232,379.64 = 125,863.92 : x
  2. Step 2: Convert to fraction form
    168,379.20/232,379.64 = 125,863.92/x
  3. Step 3: Cross multiply
    168,379.20x = 232,379.64 × 125,863.92
  4. Step 4: Simplify right side
    168,379.20x = 29,248,212,418.59
  5. Step 5: Solve for x
    x = 29,248,212,418.59/168,379.20
  6. Step 6: Final answer
    x = 173,704.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.