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Finding the Fourth Proportional to 118,665.79, 163,758.22 and 64,217.93

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Solution

The fourth proportional to 118,665.79, 163,758.22 and 64,217.93 is: 88,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,665.79 : 163,758.22 = 64,217.93 : x
  2. Step 2: Convert to fraction form
    118,665.79/163,758.22 = 64,217.93/x
  3. Step 3: Cross multiply
    118,665.79x = 163,758.22 × 64,217.93
  4. Step 4: Simplify right side
    118,665.79x = 10,516,212,929.55
  5. Step 5: Solve for x
    x = 10,516,212,929.55/118,665.79
  6. Step 6: Final answer
    x = 88,620.43

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