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Finding the Fourth Proportional to 118,375.75, 163,363.41 and 68,074.75

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Solution

The fourth proportional to 118,375.75, 163,363.41 and 68,074.75 is: 93,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,375.75 : 163,363.41 = 68,074.75 : x
  2. Step 2: Convert to fraction form
    118,375.75/163,363.41 = 68,074.75/x
  3. Step 3: Cross multiply
    118,375.75x = 163,363.41 × 68,074.75
  4. Step 4: Simplify right side
    118,375.75x = 11,120,923,294.90
  5. Step 5: Solve for x
    x = 11,120,923,294.90/118,375.75
  6. Step 6: Final answer
    x = 93,945.96

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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.