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Finding the Fourth Proportional to 183.31, 274.97 and 46.36

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Solution

The fourth proportional to 183.31, 274.97 and 46.36 is: 69.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.31 : 274.97 = 46.36 : x
  2. Step 2: Convert to fraction form
    183.31/274.97 = 46.36/x
  3. Step 3: Cross multiply
    183.31x = 274.97 × 46.36
  4. Step 4: Simplify right side
    183.31x = 12,747.61
  5. Step 5: Solve for x
    x = 12,747.61/183.31
  6. Step 6: Final answer
    x = 69.54

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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.