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Finding the Fourth Proportional to 168.30, 252.04 and 96.08

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Solution

The fourth proportional to 168.30, 252.04 and 96.08 is: 143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.30 : 252.04 = 96.08 : x
  2. Step 2: Convert to fraction form
    168.30/252.04 = 96.08/x
  3. Step 3: Cross multiply
    168.30x = 252.04 × 96.08
  4. Step 4: Simplify right side
    168.30x = 24,216.00
  5. Step 5: Solve for x
    x = 24,216.00/168.30
  6. Step 6: Final answer
    x = 143.89

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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.