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Finding the Fourth Proportional to 168,199.75, 252,299.63 and 68,414.23

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Solution

The fourth proportional to 168,199.75, 252,299.63 and 68,414.23 is: 102,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,199.75 : 252,299.63 = 68,414.23 : x
  2. Step 2: Convert to fraction form
    168,199.75/252,299.63 = 68,414.23/x
  3. Step 3: Cross multiply
    168,199.75x = 252,299.63 × 68,414.23
  4. Step 4: Simplify right side
    168,199.75x = 17,260,884,915.73
  5. Step 5: Solve for x
    x = 17,260,884,915.73/168,199.75
  6. Step 6: Final answer
    x = 102,621.35

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1.5x scale

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.