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Finding the Fourth Proportional to 112.52, 154.92 and 96.08

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Solution

The fourth proportional to 112.52, 154.92 and 96.08 is: 132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.52 : 154.92 = 96.08 : x
  2. Step 2: Convert to fraction form
    112.52/154.92 = 96.08/x
  3. Step 3: Cross multiply
    112.52x = 154.92 × 96.08
  4. Step 4: Simplify right side
    112.52x = 14,884.71
  5. Step 5: Solve for x
    x = 14,884.71/112.52
  6. Step 6: Final answer
    x = 132.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.