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Finding the Fourth Proportional to 158.22, 237.42 and 110.43

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Solution

The fourth proportional to 158.22, 237.42 and 110.43 is: 165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.22 : 237.42 = 110.43 : x
  2. Step 2: Convert to fraction form
    158.22/237.42 = 110.43/x
  3. Step 3: Cross multiply
    158.22x = 237.42 × 110.43
  4. Step 4: Simplify right side
    158.22x = 26,218.29
  5. Step 5: Solve for x
    x = 26,218.29/158.22
  6. Step 6: Final answer
    x = 165.71

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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.