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Finding the Fourth Proportional to 118.36, 176.14 and 114.04

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Solution

The fourth proportional to 118.36, 176.14 and 114.04 is: 169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.36 : 176.14 = 114.04 : x
  2. Step 2: Convert to fraction form
    118.36/176.14 = 114.04/x
  3. Step 3: Cross multiply
    118.36x = 176.14 × 114.04
  4. Step 4: Simplify right side
    118.36x = 20,086.12
  5. Step 5: Solve for x
    x = 20,086.12/118.36
  6. Step 6: Final answer
    x = 169.71

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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.