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Finding the Fourth Proportional to 66,954.26, 100,431.98 and 17,034.40

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Solution

The fourth proportional to 66,954.26, 100,431.98 and 17,034.40 is: 25,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954.26 : 100,431.98 = 17,034.40 : x
  2. Step 2: Convert to fraction form
    66,954.26/100,431.98 = 17,034.40/x
  3. Step 3: Cross multiply
    66,954.26x = 100,431.98 × 17,034.40
  4. Step 4: Simplify right side
    66,954.26x = 1,710,798,520.11
  5. Step 5: Solve for x
    x = 1,710,798,520.11/66,954.26
  6. Step 6: Final answer
    x = 25,551.75

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