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Finding the Fourth Proportional to 168,383.70, 232,372.89 and 92,932.02

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Solution

The fourth proportional to 168,383.70, 232,372.89 and 92,932.02 is: 128,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,383.70 : 232,372.89 = 92,932.02 : x
  2. Step 2: Convert to fraction form
    168,383.70/232,372.89 = 92,932.02/x
  3. Step 3: Cross multiply
    168,383.70x = 232,372.89 × 92,932.02
  4. Step 4: Simplify right side
    168,383.70x = 21,594,882,060.94
  5. Step 5: Solve for x
    x = 21,594,882,060.94/168,383.70
  6. Step 6: Final answer
    x = 128,248.06

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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.