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Finding the Fourth Proportional to 206,883.50, 285,499.50 and 117,459.50

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Solution

The fourth proportional to 206,883.50, 285,499.50 and 117,459.50 is: 162,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,883.50 : 285,499.50 = 117,459.50 : x
  2. Step 2: Convert to fraction form
    206,883.50/285,499.50 = 117,459.50/x
  3. Step 3: Cross multiply
    206,883.50x = 285,499.50 × 117,459.50
  4. Step 4: Simplify right side
    206,883.50x = 33,534,628,520.25
  5. Step 5: Solve for x
    x = 33,534,628,520.25/206,883.50
  6. Step 6: Final answer
    x = 162,094.26

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