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Finding the Fourth Proportional to 218,868.84, 328,244.82 and 61,069.56

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Solution

The fourth proportional to 218,868.84, 328,244.82 and 61,069.56 is: 91,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,868.84 : 328,244.82 = 61,069.56 : x
  2. Step 2: Convert to fraction form
    218,868.84/328,244.82 = 61,069.56/x
  3. Step 3: Cross multiply
    218,868.84x = 328,244.82 × 61,069.56
  4. Step 4: Simplify right side
    218,868.84x = 20,045,766,729.68
  5. Step 5: Solve for x
    x = 20,045,766,729.68/218,868.84
  6. Step 6: Final answer
    x = 91,588.03

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