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Finding the Fourth Proportional to 184.44, 276.62 and 74.74

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Solution

The fourth proportional to 184.44, 276.62 and 74.74 is: 112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.44 : 276.62 = 74.74 : x
  2. Step 2: Convert to fraction form
    184.44/276.62 = 74.74/x
  3. Step 3: Cross multiply
    184.44x = 276.62 × 74.74
  4. Step 4: Simplify right side
    184.44x = 20,676.33
  5. Step 5: Solve for x
    x = 20,676.33/184.44
  6. Step 6: Final answer
    x = 112.11

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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.