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Finding the Fourth Proportional to 81,764.35, 112,835.82 and 49,498.54

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Solution

The fourth proportional to 81,764.35, 112,835.82 and 49,498.54 is: 68,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,764.35 : 112,835.82 = 49,498.54 : x
  2. Step 2: Convert to fraction form
    81,764.35/112,835.82 = 49,498.54/x
  3. Step 3: Cross multiply
    81,764.35x = 112,835.82 × 49,498.54
  4. Step 4: Simplify right side
    81,764.35x = 5,585,208,349.70
  5. Step 5: Solve for x
    x = 5,585,208,349.70/81,764.35
  6. Step 6: Final answer
    x = 68,308.60

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