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Finding the Fourth Proportional to 168,648.40, 232,736.52 and 92,169.68

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Solution

The fourth proportional to 168,648.40, 232,736.52 and 92,169.68 is: 127,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,648.40 : 232,736.52 = 92,169.68 : x
  2. Step 2: Convert to fraction form
    168,648.40/232,736.52 = 92,169.68/x
  3. Step 3: Cross multiply
    168,648.40x = 232,736.52 × 92,169.68
  4. Step 4: Simplify right side
    168,648.40x = 21,451,250,572.71
  5. Step 5: Solve for x
    x = 21,451,250,572.71/168,648.40
  6. Step 6: Final answer
    x = 127,195.10

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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.