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Finding the Fourth Proportional to 168,059.75, 252,084.56 and 68,217.53

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Solution

The fourth proportional to 168,059.75, 252,084.56 and 68,217.53 is: 102,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,059.75 : 252,084.56 = 68,217.53 : x
  2. Step 2: Convert to fraction form
    168,059.75/252,084.56 = 68,217.53/x
  3. Step 3: Cross multiply
    168,059.75x = 252,084.56 × 68,217.53
  4. Step 4: Simplify right side
    168,059.75x = 17,196,584,432.83
  5. Step 5: Solve for x
    x = 17,196,584,432.83/168,059.75
  6. Step 6: Final answer
    x = 102,324.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.