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Finding the Fourth Proportional to 184.91, 276.96 and 148.87

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Solution

The fourth proportional to 184.91, 276.96 and 148.87 is: 222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.91 : 276.96 = 148.87 : x
  2. Step 2: Convert to fraction form
    184.91/276.96 = 148.87/x
  3. Step 3: Cross multiply
    184.91x = 276.96 × 148.87
  4. Step 4: Simplify right side
    184.91x = 41,229.65
  5. Step 5: Solve for x
    x = 41,229.65/184.91
  6. Step 6: Final answer
    x = 222.97

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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.