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Finding the Fourth Proportional to 99,766.47, 137,673.09 and 54,446.34

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Solution

The fourth proportional to 99,766.47, 137,673.09 and 54,446.34 is: 75,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,766.47 : 137,673.09 = 54,446.34 : x
  2. Step 2: Convert to fraction form
    99,766.47/137,673.09 = 54,446.34/x
  3. Step 3: Cross multiply
    99,766.47x = 137,673.09 × 54,446.34
  4. Step 4: Simplify right side
    99,766.47x = 7,495,795,866.99
  5. Step 5: Solve for x
    x = 7,495,795,866.99/99,766.47
  6. Step 6: Final answer
    x = 75,133.42

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