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Finding the Fourth Proportional to 168,992.82, 232,998.39 and 108,456.66

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Solution

The fourth proportional to 168,992.82, 232,998.39 and 108,456.66 is: 149,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,992.82 : 232,998.39 = 108,456.66 : x
  2. Step 2: Convert to fraction form
    168,992.82/232,998.39 = 108,456.66/x
  3. Step 3: Cross multiply
    168,992.82x = 232,998.39 × 108,456.66
  4. Step 4: Simplify right side
    168,992.82x = 25,270,227,164.78
  5. Step 5: Solve for x
    x = 25,270,227,164.78/168,992.82
  6. Step 6: Final answer
    x = 149,534.32

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1.5x scale

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.