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Finding the Fourth Proportional to 262, 361.56 and 170.16

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Solution

The fourth proportional to 262, 361.56 and 170.16 is: 234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262 : 361.56 = 170.16 : x
  2. Step 2: Convert to fraction form
    262/361.56 = 170.16/x
  3. Step 3: Cross multiply
    262x = 361.56 × 170.16
  4. Step 4: Simplify right side
    262x = 61,523.05
  5. Step 5: Solve for x
    x = 61,523.05/262
  6. Step 6: Final answer
    x = 234.82

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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.