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Finding the Fourth Proportional to 118,644.24, 163,728.20 and 64,928.24

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Solution

The fourth proportional to 118,644.24, 163,728.20 and 64,928.24 is: 89,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,644.24 : 163,728.20 = 64,928.24 : x
  2. Step 2: Convert to fraction form
    118,644.24/163,728.20 = 64,928.24/x
  3. Step 3: Cross multiply
    118,644.24x = 163,728.20 × 64,928.24
  4. Step 4: Simplify right side
    118,644.24x = 10,630,583,864.37
  5. Step 5: Solve for x
    x = 10,630,583,864.37/118,644.24
  6. Step 6: Final answer
    x = 89,600.51

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