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Finding the Fourth Proportional to 184.25, 276.33 and 54.22

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Solution

The fourth proportional to 184.25, 276.33 and 54.22 is: 81.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.25 : 276.33 = 54.22 : x
  2. Step 2: Convert to fraction form
    184.25/276.33 = 54.22/x
  3. Step 3: Cross multiply
    184.25x = 276.33 × 54.22
  4. Step 4: Simplify right side
    184.25x = 14,980.96
  5. Step 5: Solve for x
    x = 14,980.96/184.25
  6. Step 6: Final answer
    x = 81.31

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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.