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Finding the Fourth Proportional to 168,236.56, 232,166.52 and 92,789.92

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Solution

The fourth proportional to 168,236.56, 232,166.52 and 92,789.92 is: 128,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,236.56 : 232,166.52 = 92,789.92 : x
  2. Step 2: Convert to fraction form
    168,236.56/232,166.52 = 92,789.92/x
  3. Step 3: Cross multiply
    168,236.56x = 232,166.52 × 92,789.92
  4. Step 4: Simplify right side
    168,236.56x = 21,542,712,817.48
  5. Step 5: Solve for x
    x = 21,542,712,817.48/168,236.56
  6. Step 6: Final answer
    x = 128,050.13

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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.