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Finding the Fourth Proportional to 167,481.68, 231,124.38 and 92,030

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Solution

The fourth proportional to 167,481.68, 231,124.38 and 92,030 is: 127,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,481.68 : 231,124.38 = 92,030 : x
  2. Step 2: Convert to fraction form
    167,481.68/231,124.38 = 92,030/x
  3. Step 3: Cross multiply
    167,481.68x = 231,124.38 × 92,030
  4. Step 4: Simplify right side
    167,481.68x = 21,270,376,691.40
  5. Step 5: Solve for x
    x = 21,270,376,691.40/167,481.68
  6. Step 6: Final answer
    x = 127,001.21

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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.