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Finding the Fourth Proportional to 118,685.99, 163,786.93 and 64,974.35

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Solution

The fourth proportional to 118,685.99, 163,786.93 and 64,974.35 is: 89,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,685.99 : 163,786.93 = 64,974.35 : x
  2. Step 2: Convert to fraction form
    118,685.99/163,786.93 = 64,974.35/x
  3. Step 3: Cross multiply
    118,685.99x = 163,786.93 × 64,974.35
  4. Step 4: Simplify right side
    118,685.99x = 10,641,949,562.28
  5. Step 5: Solve for x
    x = 10,641,949,562.28/118,685.99
  6. Step 6: Final answer
    x = 89,664.75

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