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Finding the Fourth Proportional to 184.15, 276.32 and 92.85

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Solution

The fourth proportional to 184.15, 276.32 and 92.85 is: 139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.15 : 276.32 = 92.85 : x
  2. Step 2: Convert to fraction form
    184.15/276.32 = 92.85/x
  3. Step 3: Cross multiply
    184.15x = 276.32 × 92.85
  4. Step 4: Simplify right side
    184.15x = 25,656.31
  5. Step 5: Solve for x
    x = 25,656.31/184.15
  6. Step 6: Final answer
    x = 139.32

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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.