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Finding the Fourth Proportional to 184.91, 276.82 and 146.12

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Solution

The fourth proportional to 184.91, 276.82 and 146.12 is: 218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.91 : 276.82 = 146.12 : x
  2. Step 2: Convert to fraction form
    184.91/276.82 = 146.12/x
  3. Step 3: Cross multiply
    184.91x = 276.82 × 146.12
  4. Step 4: Simplify right side
    184.91x = 40,448.94
  5. Step 5: Solve for x
    x = 40,448.94/184.91
  6. Step 6: Final answer
    x = 218.75

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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.