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Finding the Fourth Proportional to 110,720.40, 166,080.60 and 103,284.60

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Solution

The fourth proportional to 110,720.40, 166,080.60 and 103,284.60 is: 154,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720.40 : 166,080.60 = 103,284.60 : x
  2. Step 2: Convert to fraction form
    110,720.40/166,080.60 = 103,284.60/x
  3. Step 3: Cross multiply
    110,720.40x = 166,080.60 × 103,284.60
  4. Step 4: Simplify right side
    110,720.40x = 17,153,568,338.76
  5. Step 5: Solve for x
    x = 17,153,568,338.76/110,720.40
  6. Step 6: Final answer
    x = 154,926.90

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