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Finding the Fourth Proportional to 85,065.66, 117,388.71 and 47,343.42

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Solution

The fourth proportional to 85,065.66, 117,388.71 and 47,343.42 is: 65,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065.66 : 117,388.71 = 47,343.42 : x
  2. Step 2: Convert to fraction form
    85,065.66/117,388.71 = 47,343.42/x
  3. Step 3: Cross multiply
    85,065.66x = 117,388.71 × 47,343.42
  4. Step 4: Simplify right side
    85,065.66x = 5,557,583,000.79
  5. Step 5: Solve for x
    x = 5,557,583,000.79/85,065.66
  6. Step 6: Final answer
    x = 65,332.86

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