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Finding the Fourth Proportional to 66,173.28, 91,319.30 and 35,958.66

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Solution

The fourth proportional to 66,173.28, 91,319.30 and 35,958.66 is: 49,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,173.28 : 91,319.30 = 35,958.66 : x
  2. Step 2: Convert to fraction form
    66,173.28/91,319.30 = 35,958.66/x
  3. Step 3: Cross multiply
    66,173.28x = 91,319.30 × 35,958.66
  4. Step 4: Simplify right side
    66,173.28x = 3,283,719,660.14
  5. Step 5: Solve for x
    x = 3,283,719,660.14/66,173.28
  6. Step 6: Final answer
    x = 49,623.05

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