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Finding the Fourth Proportional to 82,043.40, 123,065.10 and 70,233.60

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Solution

The fourth proportional to 82,043.40, 123,065.10 and 70,233.60 is: 105,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,043.40 : 123,065.10 = 70,233.60 : x
  2. Step 2: Convert to fraction form
    82,043.40/123,065.10 = 70,233.60/x
  3. Step 3: Cross multiply
    82,043.40x = 123,065.10 × 70,233.60
  4. Step 4: Simplify right side
    82,043.40x = 8,643,305,007.36
  5. Step 5: Solve for x
    x = 8,643,305,007.36/82,043.40
  6. Step 6: Final answer
    x = 105,350.40

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