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Finding the Fourth Proportional to 168,051.92, 231,912.36 and 92,600.48

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Solution

The fourth proportional to 168,051.92, 231,912.36 and 92,600.48 is: 127,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,051.92 : 231,912.36 = 92,600.48 : x
  2. Step 2: Convert to fraction form
    168,051.92/231,912.36 = 92,600.48/x
  3. Step 3: Cross multiply
    168,051.92x = 231,912.36 × 92,600.48
  4. Step 4: Simplify right side
    168,051.92x = 21,475,195,853.93
  5. Step 5: Solve for x
    x = 21,475,195,853.93/168,051.92
  6. Step 6: Final answer
    x = 127,789.05

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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.