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Finding the Fourth Proportional to 105,969.40, 158,855.28 and 35,799.64

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Solution

The fourth proportional to 105,969.40, 158,855.28 and 35,799.64 is: 53,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,969.40 : 158,855.28 = 35,799.64 : x
  2. Step 2: Convert to fraction form
    105,969.40/158,855.28 = 35,799.64/x
  3. Step 3: Cross multiply
    105,969.40x = 158,855.28 × 35,799.64
  4. Step 4: Simplify right side
    105,969.40x = 5,686,961,836.10
  5. Step 5: Solve for x
    x = 5,686,961,836.10/105,969.40
  6. Step 6: Final answer
    x = 53,666.08

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