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Finding the Fourth Proportional to 85,899.94, 118,539.70 and 47,659.34

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Solution

The fourth proportional to 85,899.94, 118,539.70 and 47,659.34 is: 65,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,899.94 : 118,539.70 = 47,659.34 : x
  2. Step 2: Convert to fraction form
    85,899.94/118,539.70 = 47,659.34/x
  3. Step 3: Cross multiply
    85,899.94x = 118,539.70 × 47,659.34
  4. Step 4: Simplify right side
    85,899.94x = 5,649,523,644.30
  5. Step 5: Solve for x
    x = 5,649,523,644.30/85,899.94
  6. Step 6: Final answer
    x = 65,768.65

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