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Finding the Fourth Proportional to 262.12, 361.74 and 183.56

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Solution

The fourth proportional to 262.12, 361.74 and 183.56 is: 253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.12 : 361.74 = 183.56 : x
  2. Step 2: Convert to fraction form
    262.12/361.74 = 183.56/x
  3. Step 3: Cross multiply
    262.12x = 361.74 × 183.56
  4. Step 4: Simplify right side
    262.12x = 66,400.99
  5. Step 5: Solve for x
    x = 66,400.99/262.12
  6. Step 6: Final answer
    x = 253.32

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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.