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Finding the Fourth Proportional to 264.73, 365.32 and 161.23

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Solution

The fourth proportional to 264.73, 365.32 and 161.23 is: 222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.73 : 365.32 = 161.23 : x
  2. Step 2: Convert to fraction form
    264.73/365.32 = 161.23/x
  3. Step 3: Cross multiply
    264.73x = 365.32 × 161.23
  4. Step 4: Simplify right side
    264.73x = 58,899.72
  5. Step 5: Solve for x
    x = 58,899.72/264.73
  6. Step 6: Final answer
    x = 222.49

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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.