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Finding the Fourth Proportional to 133,394.60, 199,832.70 and 74,124.20

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Solution

The fourth proportional to 133,394.60, 199,832.70 and 74,124.20 is: 111,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,394.60 : 199,832.70 = 74,124.20 : x
  2. Step 2: Convert to fraction form
    133,394.60/199,832.70 = 74,124.20/x
  3. Step 3: Cross multiply
    133,394.60x = 199,832.70 × 74,124.20
  4. Step 4: Simplify right side
    133,394.60x = 14,812,439,021.34
  5. Step 5: Solve for x
    x = 14,812,439,021.34/133,394.60
  6. Step 6: Final answer
    x = 111,042.27

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