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Finding the Fourth Proportional to 100,896.40, 151,344.60 and 89,815.60

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Solution

The fourth proportional to 100,896.40, 151,344.60 and 89,815.60 is: 134,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,896.40 : 151,344.60 = 89,815.60 : x
  2. Step 2: Convert to fraction form
    100,896.40/151,344.60 = 89,815.60/x
  3. Step 3: Cross multiply
    100,896.40x = 151,344.60 × 89,815.60
  4. Step 4: Simplify right side
    100,896.40x = 13,593,106,055.76
  5. Step 5: Solve for x
    x = 13,593,106,055.76/100,896.40
  6. Step 6: Final answer
    x = 134,723.40

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