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Finding the Fourth Proportional to 121,442.68, 167,594.84 and 67,729.96

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Solution

The fourth proportional to 121,442.68, 167,594.84 and 67,729.96 is: 93,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,442.68 : 167,594.84 = 67,729.96 : x
  2. Step 2: Convert to fraction form
    121,442.68/167,594.84 = 67,729.96/x
  3. Step 3: Cross multiply
    121,442.68x = 167,594.84 × 67,729.96
  4. Step 4: Simplify right side
    121,442.68x = 11,351,191,809.41
  5. Step 5: Solve for x
    x = 11,351,191,809.41/121,442.68
  6. Step 6: Final answer
    x = 93,469.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.