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Finding the Fourth Proportional to 112.52, 168.04 and 96.10

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Solution

The fourth proportional to 112.52, 168.04 and 96.10 is: 143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.52 : 168.04 = 96.10 : x
  2. Step 2: Convert to fraction form
    112.52/168.04 = 96.10/x
  3. Step 3: Cross multiply
    112.52x = 168.04 × 96.10
  4. Step 4: Simplify right side
    112.52x = 16,147.56
  5. Step 5: Solve for x
    x = 16,147.56/112.52
  6. Step 6: Final answer
    x = 143.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.