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Finding the Fourth Proportional to 120,147.82, 165,799.84 and 65,701.30

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Solution

The fourth proportional to 120,147.82, 165,799.84 and 65,701.30 is: 90,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,147.82 : 165,799.84 = 65,701.30 : x
  2. Step 2: Convert to fraction form
    120,147.82/165,799.84 = 65,701.30/x
  3. Step 3: Cross multiply
    120,147.82x = 165,799.84 × 65,701.30
  4. Step 4: Simplify right side
    120,147.82x = 10,893,265,027.79
  5. Step 5: Solve for x
    x = 10,893,265,027.79/120,147.82
  6. Step 6: Final answer
    x = 90,665.52

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