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Finding the Fourth Proportional to 184.41, 276.39 and 68.74

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Solution

The fourth proportional to 184.41, 276.39 and 68.74 is: 103.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.41 : 276.39 = 68.74 : x
  2. Step 2: Convert to fraction form
    184.41/276.39 = 68.74/x
  3. Step 3: Cross multiply
    184.41x = 276.39 × 68.74
  4. Step 4: Simplify right side
    184.41x = 18,999.96
  5. Step 5: Solve for x
    x = 18,999.96/184.41
  6. Step 6: Final answer
    x = 103.03

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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.