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Finding the Fourth Proportional to 184.26, 276.32 and 76.08

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Solution

The fourth proportional to 184.26, 276.32 and 76.08 is: 114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.26 : 276.32 = 76.08 : x
  2. Step 2: Convert to fraction form
    184.26/276.32 = 76.08/x
  3. Step 3: Cross multiply
    184.26x = 276.32 × 76.08
  4. Step 4: Simplify right side
    184.26x = 21,022.43
  5. Step 5: Solve for x
    x = 21,022.43/184.26
  6. Step 6: Final answer
    x = 114.09

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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.