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Finding the Fourth Proportional to 262.24, 361.64 and 173.58

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Solution

The fourth proportional to 262.24, 361.64 and 173.58 is: 239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.24 : 361.64 = 173.58 : x
  2. Step 2: Convert to fraction form
    262.24/361.64 = 173.58/x
  3. Step 3: Cross multiply
    262.24x = 361.64 × 173.58
  4. Step 4: Simplify right side
    262.24x = 62,773.47
  5. Step 5: Solve for x
    x = 62,773.47/262.24
  6. Step 6: Final answer
    x = 239.37

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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.