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Finding the Fourth Proportional to 184.22, 276.15 and 75.86

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Solution

The fourth proportional to 184.22, 276.15 and 75.86 is: 113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.22 : 276.15 = 75.86 : x
  2. Step 2: Convert to fraction form
    184.22/276.15 = 75.86/x
  3. Step 3: Cross multiply
    184.22x = 276.15 × 75.86
  4. Step 4: Simplify right side
    184.22x = 20,948.74
  5. Step 5: Solve for x
    x = 20,948.74/184.22
  6. Step 6: Final answer
    x = 113.72

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