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Finding the Fourth Proportional to 168,321.38, 232,288.36 and 92,874.74

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Solution

The fourth proportional to 168,321.38, 232,288.36 and 92,874.74 is: 128,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,321.38 : 232,288.36 = 92,874.74 : x
  2. Step 2: Convert to fraction form
    168,321.38/232,288.36 = 92,874.74/x
  3. Step 3: Cross multiply
    168,321.38x = 232,288.36 × 92,874.74
  4. Step 4: Simplify right side
    168,321.38x = 21,573,719,646.40
  5. Step 5: Solve for x
    x = 21,573,719,646.40/168,321.38
  6. Step 6: Final answer
    x = 128,169.82

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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.