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Finding the Fourth Proportional to 168,644.33, 232,729.78 and 92,163.46

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Solution

The fourth proportional to 168,644.33, 232,729.78 and 92,163.46 is: 127,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,644.33 : 232,729.78 = 92,163.46 : x
  2. Step 2: Convert to fraction form
    168,644.33/232,729.78 = 92,163.46/x
  3. Step 3: Cross multiply
    168,644.33x = 232,729.78 × 92,163.46
  4. Step 4: Simplify right side
    168,644.33x = 21,449,181,130.41
  5. Step 5: Solve for x
    x = 21,449,181,130.41/168,644.33
  6. Step 6: Final answer
    x = 127,185.90

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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.