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Finding the Fourth Proportional to 118,380.77, 163,363.41 and 64,664.40

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Solution

The fourth proportional to 118,380.77, 163,363.41 and 64,664.40 is: 89,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,380.77 : 163,363.41 = 64,664.40 : x
  2. Step 2: Convert to fraction form
    118,380.77/163,363.41 = 64,664.40/x
  3. Step 3: Cross multiply
    118,380.77x = 163,363.41 × 64,664.40
  4. Step 4: Simplify right side
    118,380.77x = 10,563,796,889.60
  5. Step 5: Solve for x
    x = 10,563,796,889.60/118,380.77
  6. Step 6: Final answer
    x = 89,235.75

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