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Finding the Fourth Proportional to 168,392.40, 232,383.44 and 92,940.96

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Solution

The fourth proportional to 168,392.40, 232,383.44 and 92,940.96 is: 128,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,392.40 : 232,383.44 = 92,940.96 : x
  2. Step 2: Convert to fraction form
    168,392.40/232,383.44 = 92,940.96/x
  3. Step 3: Cross multiply
    168,392.40x = 232,383.44 × 92,940.96
  4. Step 4: Simplify right side
    168,392.40x = 21,597,940,001.70
  5. Step 5: Solve for x
    x = 21,597,940,001.70/168,392.40
  6. Step 6: Final answer
    x = 128,259.59

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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.