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Finding the Fourth Proportional to 168,080.52, 231,951.13 and 92,629.02

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Solution

The fourth proportional to 168,080.52, 231,951.13 and 92,629.02 is: 127,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,080.52 : 231,951.13 = 92,629.02 : x
  2. Step 2: Convert to fraction form
    168,080.52/231,951.13 = 92,629.02/x
  3. Step 3: Cross multiply
    168,080.52x = 231,951.13 × 92,629.02
  4. Step 4: Simplify right side
    168,080.52x = 21,485,405,859.79
  5. Step 5: Solve for x
    x = 21,485,405,859.79/168,080.52
  6. Step 6: Final answer
    x = 127,828.05

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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.