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Finding the Fourth Proportional to 265.73, 366.93 and 167.66

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Solution

The fourth proportional to 265.73, 366.93 and 167.66 is: 231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.73 : 366.93 = 167.66 : x
  2. Step 2: Convert to fraction form
    265.73/366.93 = 167.66/x
  3. Step 3: Cross multiply
    265.73x = 366.93 × 167.66
  4. Step 4: Simplify right side
    265.73x = 61,517.65
  5. Step 5: Solve for x
    x = 61,517.65/265.73
  6. Step 6: Final answer
    x = 231.51

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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.