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Finding the Fourth Proportional to 167,912.56, 231,714.84 and 92,461.68

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Solution

The fourth proportional to 167,912.56, 231,714.84 and 92,461.68 is: 127,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,912.56 : 231,714.84 = 92,461.68 : x
  2. Step 2: Convert to fraction form
    167,912.56/231,714.84 = 92,461.68/x
  3. Step 3: Cross multiply
    167,912.56x = 231,714.84 × 92,461.68
  4. Step 4: Simplify right side
    167,912.56x = 21,424,743,387.33
  5. Step 5: Solve for x
    x = 21,424,743,387.33/167,912.56
  6. Step 6: Final answer
    x = 127,594.64

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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.