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Finding the Fourth Proportional to 250.22, 375.44 and 142.06

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Solution

The fourth proportional to 250.22, 375.44 and 142.06 is: 213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.22 : 375.44 = 142.06 : x
  2. Step 2: Convert to fraction form
    250.22/375.44 = 142.06/x
  3. Step 3: Cross multiply
    250.22x = 375.44 × 142.06
  4. Step 4: Simplify right side
    250.22x = 53,335.01
  5. Step 5: Solve for x
    x = 53,335.01/250.22
  6. Step 6: Final answer
    x = 213.15

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