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Finding the Fourth Proportional to 183.53, 274.75 and 114.83

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Solution

The fourth proportional to 183.53, 274.75 and 114.83 is: 171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.53 : 274.75 = 114.83 : x
  2. Step 2: Convert to fraction form
    183.53/274.75 = 114.83/x
  3. Step 3: Cross multiply
    183.53x = 274.75 × 114.83
  4. Step 4: Simplify right side
    183.53x = 31,549.94
  5. Step 5: Solve for x
    x = 31,549.94/183.53
  6. Step 6: Final answer
    x = 171.91

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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.