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Finding the Fourth Proportional to 168,016.58, 231,862.78 and 92,565.08

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Solution

The fourth proportional to 168,016.58, 231,862.78 and 92,565.08 is: 127,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,016.58 : 231,862.78 = 92,565.08 : x
  2. Step 2: Convert to fraction form
    168,016.58/231,862.78 = 92,565.08/x
  3. Step 3: Cross multiply
    168,016.58x = 231,862.78 × 92,565.08
  4. Step 4: Simplify right side
    168,016.58x = 21,462,396,345.26
  5. Step 5: Solve for x
    x = 21,462,396,345.26/168,016.58
  6. Step 6: Final answer
    x = 127,739.75

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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.