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Finding the Fourth Proportional to 262.14, 361.57 and 168.84

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Solution

The fourth proportional to 262.14, 361.57 and 168.84 is: 232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.14 : 361.57 = 168.84 : x
  2. Step 2: Convert to fraction form
    262.14/361.57 = 168.84/x
  3. Step 3: Cross multiply
    262.14x = 361.57 × 168.84
  4. Step 4: Simplify right side
    262.14x = 61,047.48
  5. Step 5: Solve for x
    x = 61,047.48/262.14
  6. Step 6: Final answer
    x = 232.88

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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.