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Finding the Fourth Proportional to 183.26, 274.93 and 55.02

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Solution

The fourth proportional to 183.26, 274.93 and 55.02 is: 82.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.26 : 274.93 = 55.02 : x
  2. Step 2: Convert to fraction form
    183.26/274.93 = 55.02/x
  3. Step 3: Cross multiply
    183.26x = 274.93 × 55.02
  4. Step 4: Simplify right side
    183.26x = 15,126.65
  5. Step 5: Solve for x
    x = 15,126.65/183.26
  6. Step 6: Final answer
    x = 82.54

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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.