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Finding the Fourth Proportional to 167,270.67, 230,836.23 and 90,791.28

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Solution

The fourth proportional to 167,270.67, 230,836.23 and 90,791.28 is: 125,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,270.67 : 230,836.23 = 90,791.28 : x
  2. Step 2: Convert to fraction form
    167,270.67/230,836.23 = 90,791.28/x
  3. Step 3: Cross multiply
    167,270.67x = 230,836.23 × 90,791.28
  4. Step 4: Simplify right side
    167,270.67x = 20,957,916,792.07
  5. Step 5: Solve for x
    x = 20,957,916,792.07/167,270.67
  6. Step 6: Final answer
    x = 125,293.43

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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.