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Finding the Fourth Proportional to 184.41, 276.66 and 68.86

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Solution

The fourth proportional to 184.41, 276.66 and 68.86 is: 103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.41 : 276.66 = 68.86 : x
  2. Step 2: Convert to fraction form
    184.41/276.66 = 68.86/x
  3. Step 3: Cross multiply
    184.41x = 276.66 × 68.86
  4. Step 4: Simplify right side
    184.41x = 19,050.81
  5. Step 5: Solve for x
    x = 19,050.81/184.41
  6. Step 6: Final answer
    x = 103.31

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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.