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Finding the Fourth Proportional to 168,382.20, 232,383.78 and 125,866.92

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Solution

The fourth proportional to 168,382.20, 232,383.78 and 125,866.92 is: 173,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,382.20 : 232,383.78 = 125,866.92 : x
  2. Step 2: Convert to fraction form
    168,382.20/232,383.78 = 125,866.92/x
  3. Step 3: Cross multiply
    168,382.20x = 232,383.78 × 125,866.92
  4. Step 4: Simplify right side
    168,382.20x = 29,249,430,646.56
  5. Step 5: Solve for x
    x = 29,249,430,646.56/168,382.20
  6. Step 6: Final answer
    x = 173,708.57

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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.