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Finding the Fourth Proportional to 121,592.20, 167,799.88 and 67,144.22

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Solution

The fourth proportional to 121,592.20, 167,799.88 and 67,144.22 is: 92,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,592.20 : 167,799.88 = 67,144.22 : x
  2. Step 2: Convert to fraction form
    121,592.20/167,799.88 = 67,144.22/x
  3. Step 3: Cross multiply
    121,592.20x = 167,799.88 × 67,144.22
  4. Step 4: Simplify right side
    121,592.20x = 11,266,792,058.69
  5. Step 5: Solve for x
    x = 11,266,792,058.69/121,592.20
  6. Step 6: Final answer
    x = 92,660.48

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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.