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Finding the Fourth Proportional to 168.50, 252.62 and 116.99

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Solution

The fourth proportional to 168.50, 252.62 and 116.99 is: 175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.50 : 252.62 = 116.99 : x
  2. Step 2: Convert to fraction form
    168.50/252.62 = 116.99/x
  3. Step 3: Cross multiply
    168.50x = 252.62 × 116.99
  4. Step 4: Simplify right side
    168.50x = 29,554.01
  5. Step 5: Solve for x
    x = 29,554.01/168.50
  6. Step 6: Final answer
    x = 175.39

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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.