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Finding the Fourth Proportional to 167,059.73, 230,542.30 and 90,581.36

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Solution

The fourth proportional to 167,059.73, 230,542.30 and 90,581.36 is: 125,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,059.73 : 230,542.30 = 90,581.36 : x
  2. Step 2: Convert to fraction form
    167,059.73/230,542.30 = 90,581.36/x
  3. Step 3: Cross multiply
    167,059.73x = 230,542.30 × 90,581.36
  4. Step 4: Simplify right side
    167,059.73x = 20,882,835,761.11
  5. Step 5: Solve for x
    x = 20,882,835,761.11/167,059.73
  6. Step 6: Final answer
    x = 125,002.21

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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.