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Finding the Fourth Proportional to 110,028.40, 165,042.60 and 72,703.60

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Solution

The fourth proportional to 110,028.40, 165,042.60 and 72,703.60 is: 109,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,028.40 : 165,042.60 = 72,703.60 : x
  2. Step 2: Convert to fraction form
    110,028.40/165,042.60 = 72,703.60/x
  3. Step 3: Cross multiply
    110,028.40x = 165,042.60 × 72,703.60
  4. Step 4: Simplify right side
    110,028.40x = 11,999,191,173.36
  5. Step 5: Solve for x
    x = 11,999,191,173.36/110,028.40
  6. Step 6: Final answer
    x = 109,055.40

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