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Finding the Fourth Proportional to 91,069.80, 125,654.94 and 55,258.98

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Solution

The fourth proportional to 91,069.80, 125,654.94 and 55,258.98 is: 76,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,069.80 : 125,654.94 = 55,258.98 : x
  2. Step 2: Convert to fraction form
    91,069.80/125,654.94 = 55,258.98/x
  3. Step 3: Cross multiply
    91,069.80x = 125,654.94 × 55,258.98
  4. Step 4: Simplify right side
    91,069.80x = 6,943,563,816.36
  5. Step 5: Solve for x
    x = 6,943,563,816.36/91,069.80
  6. Step 6: Final answer
    x = 76,244.42

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