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Finding the Fourth Proportional to 167,672.80, 231,388.50 and 92,221.30

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Solution

The fourth proportional to 167,672.80, 231,388.50 and 92,221.30 is: 127,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,672.80 : 231,388.50 = 92,221.30 : x
  2. Step 2: Convert to fraction form
    167,672.80/231,388.50 = 92,221.30/x
  3. Step 3: Cross multiply
    167,672.80x = 231,388.50 × 92,221.30
  4. Step 4: Simplify right side
    167,672.80x = 21,338,948,275.05
  5. Step 5: Solve for x
    x = 21,338,948,275.05/167,672.80
  6. Step 6: Final answer
    x = 127,265.41

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1.5x scale

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.