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Finding the Fourth Proportional to 168,177, 232,086.08 and 91,695.48

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Solution

The fourth proportional to 168,177, 232,086.08 and 91,695.48 is: 126,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,177 : 232,086.08 = 91,695.48 : x
  2. Step 2: Convert to fraction form
    168,177/232,086.08 = 91,695.48/x
  3. Step 3: Cross multiply
    168,177x = 232,086.08 × 91,695.48
  4. Step 4: Simplify right side
    168,177x = 21,281,244,048.44
  5. Step 5: Solve for x
    x = 21,281,244,048.44/168,177
  6. Step 6: Final answer
    x = 126,540.75

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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.