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Finding the Fourth Proportional to 109,849.70, 164,774.55 and 39,731.30

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Solution

The fourth proportional to 109,849.70, 164,774.55 and 39,731.30 is: 59,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,849.70 : 164,774.55 = 39,731.30 : x
  2. Step 2: Convert to fraction form
    109,849.70/164,774.55 = 39,731.30/x
  3. Step 3: Cross multiply
    109,849.70x = 164,774.55 × 39,731.30
  4. Step 4: Simplify right side
    109,849.70x = 6,546,707,078.42
  5. Step 5: Solve for x
    x = 6,546,707,078.42/109,849.70
  6. Step 6: Final answer
    x = 59,596.95

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