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Finding the Fourth Proportional to 66,967.80, 100,566.90 and 47,383.80

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Solution

The fourth proportional to 66,967.80, 100,566.90 and 47,383.80 is: 71,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,967.80 : 100,566.90 = 47,383.80 : x
  2. Step 2: Convert to fraction form
    66,967.80/100,566.90 = 47,383.80/x
  3. Step 3: Cross multiply
    66,967.80x = 100,566.90 × 47,383.80
  4. Step 4: Simplify right side
    66,967.80x = 4,765,241,876.22
  5. Step 5: Solve for x
    x = 4,765,241,876.22/66,967.80
  6. Step 6: Final answer
    x = 71,157.21

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