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Finding the Fourth Proportional to 176.24, 263.96 and 135.34

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Solution

The fourth proportional to 176.24, 263.96 and 135.34 is: 202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.24 : 263.96 = 135.34 : x
  2. Step 2: Convert to fraction form
    176.24/263.96 = 135.34/x
  3. Step 3: Cross multiply
    176.24x = 263.96 × 135.34
  4. Step 4: Simplify right side
    176.24x = 35,723.52
  5. Step 5: Solve for x
    x = 35,723.52/176.24
  6. Step 6: Final answer
    x = 202.70

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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.