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Finding the Fourth Proportional to 183.84, 274.12 and 159.56

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Solution

The fourth proportional to 183.84, 274.12 and 159.56 is: 237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.84 : 274.12 = 159.56 : x
  2. Step 2: Convert to fraction form
    183.84/274.12 = 159.56/x
  3. Step 3: Cross multiply
    183.84x = 274.12 × 159.56
  4. Step 4: Simplify right side
    183.84x = 43,738.59
  5. Step 5: Solve for x
    x = 43,738.59/183.84
  6. Step 6: Final answer
    x = 237.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.