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Finding the Fourth Proportional to 184.59, 276.73 and 126.67

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Solution

The fourth proportional to 184.59, 276.73 and 126.67 is: 189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.59 : 276.73 = 126.67 : x
  2. Step 2: Convert to fraction form
    184.59/276.73 = 126.67/x
  3. Step 3: Cross multiply
    184.59x = 276.73 × 126.67
  4. Step 4: Simplify right side
    184.59x = 35,052.01
  5. Step 5: Solve for x
    x = 35,052.01/184.59
  6. Step 6: Final answer
    x = 189.90

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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.