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Finding the Fourth Proportional to 105,497.68, 158,137.17 and 65,964.01

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Solution

The fourth proportional to 105,497.68, 158,137.17 and 65,964.01 is: 98,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,497.68 : 158,137.17 = 65,964.01 : x
  2. Step 2: Convert to fraction form
    105,497.68/158,137.17 = 65,964.01/x
  3. Step 3: Cross multiply
    105,497.68x = 158,137.17 × 65,964.01
  4. Step 4: Simplify right side
    105,497.68x = 10,431,361,863.25
  5. Step 5: Solve for x
    x = 10,431,361,863.25/105,497.68
  6. Step 6: Final answer
    x = 98,877.64

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