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Finding the Fourth Proportional to 120,043.17, 165,655.13 and 66,327.03

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Solution

The fourth proportional to 120,043.17, 165,655.13 and 66,327.03 is: 91,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,043.17 : 165,655.13 = 66,327.03 : x
  2. Step 2: Convert to fraction form
    120,043.17/165,655.13 = 66,327.03/x
  3. Step 3: Cross multiply
    120,043.17x = 165,655.13 × 66,327.03
  4. Step 4: Simplify right side
    120,043.17x = 10,987,412,445.53
  5. Step 5: Solve for x
    x = 10,987,412,445.53/120,043.17
  6. Step 6: Final answer
    x = 91,528.84

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