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Finding the Fourth Proportional to 167,274.92, 230,839.61 and 90,794.03

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Solution

The fourth proportional to 167,274.92, 230,839.61 and 90,794.03 is: 125,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,274.92 : 230,839.61 = 90,794.03 : x
  2. Step 2: Convert to fraction form
    167,274.92/230,839.61 = 90,794.03/x
  3. Step 3: Cross multiply
    167,274.92x = 230,839.61 × 90,794.03
  4. Step 4: Simplify right side
    167,274.92x = 20,958,857,287.74
  5. Step 5: Solve for x
    x = 20,958,857,287.74/167,274.92
  6. Step 6: Final answer
    x = 125,295.88

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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.