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Finding the Fourth Proportional to 118,344.98, 163,317.37 and 64,631.58

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Solution

The fourth proportional to 118,344.98, 163,317.37 and 64,631.58 is: 89,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,344.98 : 163,317.37 = 64,631.58 : x
  2. Step 2: Convert to fraction form
    118,344.98/163,317.37 = 64,631.58/x
  3. Step 3: Cross multiply
    118,344.98x = 163,317.37 × 64,631.58
  4. Step 4: Simplify right side
    118,344.98x = 10,555,459,664.54
  5. Step 5: Solve for x
    x = 10,555,459,664.54/118,344.98
  6. Step 6: Final answer
    x = 89,192.29

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