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Finding the Fourth Proportional to 168.83, 253.02 and 110.97

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Solution

The fourth proportional to 168.83, 253.02 and 110.97 is: 166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.83 : 253.02 = 110.97 : x
  2. Step 2: Convert to fraction form
    168.83/253.02 = 110.97/x
  3. Step 3: Cross multiply
    168.83x = 253.02 × 110.97
  4. Step 4: Simplify right side
    168.83x = 28,078.05
  5. Step 5: Solve for x
    x = 28,078.05/168.83
  6. Step 6: Final answer
    x = 166.31

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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.