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Finding the Fourth Proportional to 118.97, 176 and 118.97

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Solution

The fourth proportional to 118.97, 176 and 118.97 is: 176

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.97 : 176 = 118.97 : x
  2. Step 2: Convert to fraction form
    118.97/176 = 118.97/x
  3. Step 3: Cross multiply
    118.97x = 176 × 118.97
  4. Step 4: Simplify right side
    118.97x = 20,938.72
  5. Step 5: Solve for x
    x = 20,938.72/118.97
  6. Step 6: Final answer
    x = 176

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.