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Finding the Fourth Proportional to 132,674.28, 183,075.06 and 78,976.68

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Solution

The fourth proportional to 132,674.28, 183,075.06 and 78,976.68 is: 108,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,674.28 : 183,075.06 = 78,976.68 : x
  2. Step 2: Convert to fraction form
    132,674.28/183,075.06 = 78,976.68/x
  3. Step 3: Cross multiply
    132,674.28x = 183,075.06 × 78,976.68
  4. Step 4: Simplify right side
    132,674.28x = 14,458,660,429.60
  5. Step 5: Solve for x
    x = 14,458,660,429.60/132,674.28
  6. Step 6: Final answer
    x = 108,978.62

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