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Finding the Fourth Proportional to 184.32, 276.24 and 76.04

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Solution

The fourth proportional to 184.32, 276.24 and 76.04 is: 113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.32 : 276.24 = 76.04 : x
  2. Step 2: Convert to fraction form
    184.32/276.24 = 76.04/x
  3. Step 3: Cross multiply
    184.32x = 276.24 × 76.04
  4. Step 4: Simplify right side
    184.32x = 21,005.29
  5. Step 5: Solve for x
    x = 21,005.29/184.32
  6. Step 6: Final answer
    x = 113.96

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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.