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Finding the Fourth Proportional to 109,356.84, 164,033.82 and 30,471.48

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Solution

The fourth proportional to 109,356.84, 164,033.82 and 30,471.48 is: 45,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,356.84 : 164,033.82 = 30,471.48 : x
  2. Step 2: Convert to fraction form
    109,356.84/164,033.82 = 30,471.48/x
  3. Step 3: Cross multiply
    109,356.84x = 164,033.82 × 30,471.48
  4. Step 4: Simplify right side
    109,356.84x = 4,998,353,265.45
  5. Step 5: Solve for x
    x = 4,998,353,265.45/109,356.84
  6. Step 6: Final answer
    x = 45,706.82

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