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Finding the Fourth Proportional to 118.26, 176.58 and 96.57

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Solution

The fourth proportional to 118.26, 176.58 and 96.57 is: 144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.26 : 176.58 = 96.57 : x
  2. Step 2: Convert to fraction form
    118.26/176.58 = 96.57/x
  3. Step 3: Cross multiply
    118.26x = 176.58 × 96.57
  4. Step 4: Simplify right side
    118.26x = 17,052.33
  5. Step 5: Solve for x
    x = 17,052.33/118.26
  6. Step 6: Final answer
    x = 144.19

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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.