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Finding the Fourth Proportional to 262.04, 361.68 and 163.92

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Solution

The fourth proportional to 262.04, 361.68 and 163.92 is: 226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.04 : 361.68 = 163.92 : x
  2. Step 2: Convert to fraction form
    262.04/361.68 = 163.92/x
  3. Step 3: Cross multiply
    262.04x = 361.68 × 163.92
  4. Step 4: Simplify right side
    262.04x = 59,286.59
  5. Step 5: Solve for x
    x = 59,286.59/262.04
  6. Step 6: Final answer
    x = 226.25

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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.