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Finding the Fourth Proportional to 109,707.21, 164,566.89 and 34,821.90

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Solution

The fourth proportional to 109,707.21, 164,566.89 and 34,821.90 is: 52,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,707.21 : 164,566.89 = 34,821.90 : x
  2. Step 2: Convert to fraction form
    109,707.21/164,566.89 = 34,821.90/x
  3. Step 3: Cross multiply
    109,707.21x = 164,566.89 × 34,821.90
  4. Step 4: Simplify right side
    109,707.21x = 5,730,531,786.89
  5. Step 5: Solve for x
    x = 5,730,531,786.89/109,707.21
  6. Step 6: Final answer
    x = 52,234.78

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