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Finding the Fourth Proportional to 262.54, 361.92 and 188.73

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Solution

The fourth proportional to 262.54, 361.92 and 188.73 is: 260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.54 : 361.92 = 188.73 : x
  2. Step 2: Convert to fraction form
    262.54/361.92 = 188.73/x
  3. Step 3: Cross multiply
    262.54x = 361.92 × 188.73
  4. Step 4: Simplify right side
    262.54x = 68,304.81
  5. Step 5: Solve for x
    x = 68,304.81/262.54
  6. Step 6: Final answer
    x = 260.17

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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.