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Finding the Fourth Proportional to 264.97, 365.66 and 161.47

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Solution

The fourth proportional to 264.97, 365.66 and 161.47 is: 222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.97 : 365.66 = 161.47 : x
  2. Step 2: Convert to fraction form
    264.97/365.66 = 161.47/x
  3. Step 3: Cross multiply
    264.97x = 365.66 × 161.47
  4. Step 4: Simplify right side
    264.97x = 59,044.86
  5. Step 5: Solve for x
    x = 59,044.86/264.97
  6. Step 6: Final answer
    x = 222.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.