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Finding the Fourth Proportional to 121,672.44, 167,906.22 and 67,958.24

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Solution

The fourth proportional to 121,672.44, 167,906.22 and 67,958.24 is: 93,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,672.44 : 167,906.22 = 67,958.24 : x
  2. Step 2: Convert to fraction form
    121,672.44/167,906.22 = 67,958.24/x
  3. Step 3: Cross multiply
    121,672.44x = 167,906.22 × 67,958.24
  4. Step 4: Simplify right side
    121,672.44x = 11,410,610,356.72
  5. Step 5: Solve for x
    x = 11,410,610,356.72/121,672.44
  6. Step 6: Final answer
    x = 93,781.39

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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.