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Finding the Fourth Proportional to 176.82, 264 and 161.43

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Solution

The fourth proportional to 176.82, 264 and 161.43 is: 241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.82 : 264 = 161.43 : x
  2. Step 2: Convert to fraction form
    176.82/264 = 161.43/x
  3. Step 3: Cross multiply
    176.82x = 264 × 161.43
  4. Step 4: Simplify right side
    176.82x = 42,617.52
  5. Step 5: Solve for x
    x = 42,617.52/176.82
  6. Step 6: Final answer
    x = 241.02

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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.