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Finding the Fourth Proportional to 117,841.92, 162,620.16 and 64,849.92

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Solution

The fourth proportional to 117,841.92, 162,620.16 and 64,849.92 is: 89,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,841.92 : 162,620.16 = 64,849.92 : x
  2. Step 2: Convert to fraction form
    117,841.92/162,620.16 = 64,849.92/x
  3. Step 3: Cross multiply
    117,841.92x = 162,620.16 × 64,849.92
  4. Step 4: Simplify right side
    117,841.92x = 10,545,904,366.39
  5. Step 5: Solve for x
    x = 10,545,904,366.39/117,841.92
  6. Step 6: Final answer
    x = 89,491.96

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