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Finding the Fourth Proportional to 176.56, 263.45 and 159.24

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Solution

The fourth proportional to 176.56, 263.45 and 159.24 is: 237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.56 : 263.45 = 159.24 : x
  2. Step 2: Convert to fraction form
    176.56/263.45 = 159.24/x
  3. Step 3: Cross multiply
    176.56x = 263.45 × 159.24
  4. Step 4: Simplify right side
    176.56x = 41,951.78
  5. Step 5: Solve for x
    x = 41,951.78/176.56
  6. Step 6: Final answer
    x = 237.61

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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.