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Finding the Fourth Proportional to 159.52, 237.56 and 155.44

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Solution

The fourth proportional to 159.52, 237.56 and 155.44 is: 231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.52 : 237.56 = 155.44 : x
  2. Step 2: Convert to fraction form
    159.52/237.56 = 155.44/x
  3. Step 3: Cross multiply
    159.52x = 237.56 × 155.44
  4. Step 4: Simplify right side
    159.52x = 36,926.33
  5. Step 5: Solve for x
    x = 36,926.33/159.52
  6. Step 6: Final answer
    x = 231.48

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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.