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Finding the Fourth Proportional to 118,636.12, 163,717.86 and 64,921.14

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Solution

The fourth proportional to 118,636.12, 163,717.86 and 64,921.14 is: 89,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,636.12 : 163,717.86 = 64,921.14 : x
  2. Step 2: Convert to fraction form
    118,636.12/163,717.86 = 64,921.14/x
  3. Step 3: Cross multiply
    118,636.12x = 163,717.86 × 64,921.14
  4. Step 4: Simplify right side
    118,636.12x = 10,628,750,109.56
  5. Step 5: Solve for x
    x = 10,628,750,109.56/118,636.12
  6. Step 6: Final answer
    x = 89,591.18

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