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Finding the Fourth Proportional to 168,495.66, 252,743.49 and 115,745.22

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Solution

The fourth proportional to 168,495.66, 252,743.49 and 115,745.22 is: 173,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,495.66 : 252,743.49 = 115,745.22 : x
  2. Step 2: Convert to fraction form
    168,495.66/252,743.49 = 115,745.22/x
  3. Step 3: Cross multiply
    168,495.66x = 252,743.49 × 115,745.22
  4. Step 4: Simplify right side
    168,495.66x = 29,253,850,853.62
  5. Step 5: Solve for x
    x = 29,253,850,853.62/168,495.66
  6. Step 6: Final answer
    x = 173,617.83

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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.