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Finding the Fourth Proportional to 183.64, 275.49 and 61.94

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Solution

The fourth proportional to 183.64, 275.49 and 61.94 is: 92.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.64 : 275.49 = 61.94 : x
  2. Step 2: Convert to fraction form
    183.64/275.49 = 61.94/x
  3. Step 3: Cross multiply
    183.64x = 275.49 × 61.94
  4. Step 4: Simplify right side
    183.64x = 17,063.85
  5. Step 5: Solve for x
    x = 17,063.85/183.64
  6. Step 6: Final answer
    x = 92.92

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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.