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Finding the Fourth Proportional to 110,699.10, 165,878.55 and 82,486.80

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Solution

The fourth proportional to 110,699.10, 165,878.55 and 82,486.80 is: 123,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,699.10 : 165,878.55 = 82,486.80 : x
  2. Step 2: Convert to fraction form
    110,699.10/165,878.55 = 82,486.80/x
  3. Step 3: Cross multiply
    110,699.10x = 165,878.55 × 82,486.80
  4. Step 4: Simplify right side
    110,699.10x = 13,682,790,778.14
  5. Step 5: Solve for x
    x = 13,682,790,778.14/110,699.10
  6. Step 6: Final answer
    x = 123,603.45

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