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Finding the Fourth Proportional to 111.00, 166.47 and 37.86

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Solution

The fourth proportional to 111.00, 166.47 and 37.86 is: 56.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.00 : 166.47 = 37.86 : x
  2. Step 2: Convert to fraction form
    111.00/166.47 = 37.86/x
  3. Step 3: Cross multiply
    111.00x = 166.47 × 37.86
  4. Step 4: Simplify right side
    111.00x = 6,302.55
  5. Step 5: Solve for x
    x = 6,302.55/111.00
  6. Step 6: Final answer
    x = 56.78

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