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Finding the Fourth Proportional to 183.26, 274.86 and 61.48

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Solution

The fourth proportional to 183.26, 274.86 and 61.48 is: 92.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.26 : 274.86 = 61.48 : x
  2. Step 2: Convert to fraction form
    183.26/274.86 = 61.48/x
  3. Step 3: Cross multiply
    183.26x = 274.86 × 61.48
  4. Step 4: Simplify right side
    183.26x = 16,898.39
  5. Step 5: Solve for x
    x = 16,898.39/183.26
  6. Step 6: Final answer
    x = 92.21

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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.