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Finding the Fourth Proportional to 143,529.62, 198,069.45 and 79,866.32

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Solution

The fourth proportional to 143,529.62, 198,069.45 and 79,866.32 is: 110,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,529.62 : 198,069.45 = 79,866.32 : x
  2. Step 2: Convert to fraction form
    143,529.62/198,069.45 = 79,866.32/x
  3. Step 3: Cross multiply
    143,529.62x = 198,069.45 × 79,866.32
  4. Step 4: Simplify right side
    143,529.62x = 15,819,078,075.92
  5. Step 5: Solve for x
    x = 15,819,078,075.92/143,529.62
  6. Step 6: Final answer
    x = 110,214.73

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