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Finding the Fourth Proportional to 262.09, 361.34 and 168.67

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Solution

The fourth proportional to 262.09, 361.34 and 168.67 is: 232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.09 : 361.34 = 168.67 : x
  2. Step 2: Convert to fraction form
    262.09/361.34 = 168.67/x
  3. Step 3: Cross multiply
    262.09x = 361.34 × 168.67
  4. Step 4: Simplify right side
    262.09x = 60,947.22
  5. Step 5: Solve for x
    x = 60,947.22/262.09
  6. Step 6: Final answer
    x = 232.54

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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.