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Finding the Fourth Proportional to 184.33, 276.69 and 76.19

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Solution

The fourth proportional to 184.33, 276.69 and 76.19 is: 114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.33 : 276.69 = 76.19 : x
  2. Step 2: Convert to fraction form
    184.33/276.69 = 76.19/x
  3. Step 3: Cross multiply
    184.33x = 276.69 × 76.19
  4. Step 4: Simplify right side
    184.33x = 21,081.01
  5. Step 5: Solve for x
    x = 21,081.01/184.33
  6. Step 6: Final answer
    x = 114.37

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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.