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Finding the Fourth Proportional to 262.15, 361.54 and 162.52

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Solution

The fourth proportional to 262.15, 361.54 and 162.52 is: 224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.15 : 361.54 = 162.52 : x
  2. Step 2: Convert to fraction form
    262.15/361.54 = 162.52/x
  3. Step 3: Cross multiply
    262.15x = 361.54 × 162.52
  4. Step 4: Simplify right side
    262.15x = 58,756.78
  5. Step 5: Solve for x
    x = 58,756.78/262.15
  6. Step 6: Final answer
    x = 224.14

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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.