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Finding the Fourth Proportional to 118.46, 177.69 and 32.96

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Solution

The fourth proportional to 118.46, 177.69 and 32.96 is: 49.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.46 : 177.69 = 32.96 : x
  2. Step 2: Convert to fraction form
    118.46/177.69 = 32.96/x
  3. Step 3: Cross multiply
    118.46x = 177.69 × 32.96
  4. Step 4: Simplify right side
    118.46x = 5,855.61
  5. Step 5: Solve for x
    x = 5,855.61/118.46
  6. Step 6: Final answer
    x = 49.43

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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.