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Finding the Fourth Proportional to 168,392.80, 232,365.50 and 92,936.44

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Solution

The fourth proportional to 168,392.80, 232,365.50 and 92,936.44 is: 128,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,392.80 : 232,365.50 = 92,936.44 : x
  2. Step 2: Convert to fraction form
    168,392.80/232,365.50 = 92,936.44/x
  3. Step 3: Cross multiply
    168,392.80x = 232,365.50 × 92,936.44
  4. Step 4: Simplify right side
    168,392.80x = 21,595,222,348.82
  5. Step 5: Solve for x
    x = 21,595,222,348.82/168,392.80
  6. Step 6: Final answer
    x = 128,243.15

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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.