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Finding the Fourth Proportional to 133,091.63, 199,539.02 and 80,489.42

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Solution

The fourth proportional to 133,091.63, 199,539.02 and 80,489.42 is: 120,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,091.63 : 199,539.02 = 80,489.42 : x
  2. Step 2: Convert to fraction form
    133,091.63/199,539.02 = 80,489.42/x
  3. Step 3: Cross multiply
    133,091.63x = 199,539.02 × 80,489.42
  4. Step 4: Simplify right side
    133,091.63x = 16,060,779,190.70
  5. Step 5: Solve for x
    x = 16,060,779,190.70/133,091.63
  6. Step 6: Final answer
    x = 120,674.60

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