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Finding the Fourth Proportional to 168,691.98, 253,042.44 and 73,873.38

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Solution

The fourth proportional to 168,691.98, 253,042.44 and 73,873.38 is: 110,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,691.98 : 253,042.44 = 73,873.38 : x
  2. Step 2: Convert to fraction form
    168,691.98/253,042.44 = 73,873.38/x
  3. Step 3: Cross multiply
    168,691.98x = 253,042.44 × 73,873.38
  4. Step 4: Simplify right side
    168,691.98x = 18,693,100,326.25
  5. Step 5: Solve for x
    x = 18,693,100,326.25/168,691.98
  6. Step 6: Final answer
    x = 110,812.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.