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Finding the Fourth Proportional to 184.76, 276.90 and 144.12

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Solution

The fourth proportional to 184.76, 276.90 and 144.12 is: 215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.76 : 276.90 = 144.12 : x
  2. Step 2: Convert to fraction form
    184.76/276.90 = 144.12/x
  3. Step 3: Cross multiply
    184.76x = 276.90 × 144.12
  4. Step 4: Simplify right side
    184.76x = 39,906.83
  5. Step 5: Solve for x
    x = 39,906.83/184.76
  6. Step 6: Final answer
    x = 215.99

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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.