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Finding the Fourth Proportional to 85,691.40, 118,252.67 and 47,450.13

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Solution

The fourth proportional to 85,691.40, 118,252.67 and 47,450.13 is: 65,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,691.40 : 118,252.67 = 47,450.13 : x
  2. Step 2: Convert to fraction form
    85,691.40/118,252.67 = 47,450.13/x
  3. Step 3: Cross multiply
    85,691.40x = 118,252.67 × 47,450.13
  4. Step 4: Simplify right side
    85,691.40x = 5,611,103,883.65
  5. Step 5: Solve for x
    x = 5,611,103,883.65/85,691.40
  6. Step 6: Final answer
    x = 65,480.36

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