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Finding the Fourth Proportional to 183.25, 274.91 and 75.04

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Solution

The fourth proportional to 183.25, 274.91 and 75.04 is: 112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.25 : 274.91 = 75.04 : x
  2. Step 2: Convert to fraction form
    183.25/274.91 = 75.04/x
  3. Step 3: Cross multiply
    183.25x = 274.91 × 75.04
  4. Step 4: Simplify right side
    183.25x = 20,629.25
  5. Step 5: Solve for x
    x = 20,629.25/183.25
  6. Step 6: Final answer
    x = 112.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.