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Finding the Fourth Proportional to 263.88, 395.37 and 166.14

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Solution

The fourth proportional to 263.88, 395.37 and 166.14 is: 248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.88 : 395.37 = 166.14 : x
  2. Step 2: Convert to fraction form
    263.88/395.37 = 166.14/x
  3. Step 3: Cross multiply
    263.88x = 395.37 × 166.14
  4. Step 4: Simplify right side
    263.88x = 65,686.77
  5. Step 5: Solve for x
    x = 65,686.77/263.88
  6. Step 6: Final answer
    x = 248.93

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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.