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Finding the Fourth Proportional to 183.07, 274.59 and 54.82

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Solution

The fourth proportional to 183.07, 274.59 and 54.82 is: 82.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.07 : 274.59 = 54.82 : x
  2. Step 2: Convert to fraction form
    183.07/274.59 = 54.82/x
  3. Step 3: Cross multiply
    183.07x = 274.59 × 54.82
  4. Step 4: Simplify right side
    183.07x = 15,053.02
  5. Step 5: Solve for x
    x = 15,053.02/183.07
  6. Step 6: Final answer
    x = 82.23

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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.