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Finding the Fourth Proportional to 158.44, 237.19 and 118.04

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Solution

The fourth proportional to 158.44, 237.19 and 118.04 is: 176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.44 : 237.19 = 118.04 : x
  2. Step 2: Convert to fraction form
    158.44/237.19 = 118.04/x
  3. Step 3: Cross multiply
    158.44x = 237.19 × 118.04
  4. Step 4: Simplify right side
    158.44x = 27,997.91
  5. Step 5: Solve for x
    x = 27,997.91/158.44
  6. Step 6: Final answer
    x = 176.71

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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.