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Finding the Fourth Proportional to 118,756.12, 163,880.40 and 65,043.40

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Solution

The fourth proportional to 118,756.12, 163,880.40 and 65,043.40 is: 89,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,756.12 : 163,880.40 = 65,043.40 : x
  2. Step 2: Convert to fraction form
    118,756.12/163,880.40 = 65,043.40/x
  3. Step 3: Cross multiply
    118,756.12x = 163,880.40 × 65,043.40
  4. Step 4: Simplify right side
    118,756.12x = 10,659,338,409.36
  5. Step 5: Solve for x
    x = 10,659,338,409.36/118,756.12
  6. Step 6: Final answer
    x = 89,758.22

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