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Finding the Fourth Proportional to 147.06, 220.59 and 92.97

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Solution

The fourth proportional to 147.06, 220.59 and 92.97 is: 139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.06 : 220.59 = 92.97 : x
  2. Step 2: Convert to fraction form
    147.06/220.59 = 92.97/x
  3. Step 3: Cross multiply
    147.06x = 220.59 × 92.97
  4. Step 4: Simplify right side
    147.06x = 20,508.25
  5. Step 5: Solve for x
    x = 20,508.25/147.06
  6. Step 6: Final answer
    x = 139.46

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