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Finding the Fourth Proportional to 168,016.51, 231,862.73 and 92,565.01

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Solution

The fourth proportional to 168,016.51, 231,862.73 and 92,565.01 is: 127,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,016.51 : 231,862.73 = 92,565.01 : x
  2. Step 2: Convert to fraction form
    168,016.51/231,862.73 = 92,565.01/x
  3. Step 3: Cross multiply
    168,016.51x = 231,862.73 × 92,565.01
  4. Step 4: Simplify right side
    168,016.51x = 21,462,375,921.08
  5. Step 5: Solve for x
    x = 21,462,375,921.08/168,016.51
  6. Step 6: Final answer
    x = 127,739.68

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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.