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Finding the Fourth Proportional to 168,458.51, 232,469.31 and 96,837.91

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Solution

The fourth proportional to 168,458.51, 232,469.31 and 96,837.91 is: 133,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,458.51 : 232,469.31 = 96,837.91 : x
  2. Step 2: Convert to fraction form
    168,458.51/232,469.31 = 96,837.91/x
  3. Step 3: Cross multiply
    168,458.51x = 232,469.31 × 96,837.91
  4. Step 4: Simplify right side
    168,458.51x = 22,511,840,957.20
  5. Step 5: Solve for x
    x = 22,511,840,957.20/168,458.51
  6. Step 6: Final answer
    x = 133,634.33

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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.