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Finding the Fourth Proportional to 168,598,978.20, 252,835,481.70 and 117,328,699.80

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Solution

The fourth proportional to 168,598,978.20, 252,835,481.70 and 117,328,699.80 is: 175,949,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,598,978.20 : 252,835,481.70 = 117,328,699.80 : x
  2. Step 2: Convert to fraction form
    168,598,978.20/252,835,481.70 = 117,328,699.80/x
  3. Step 3: Cross multiply
    168,598,978.20x = 252,835,481.70 × 117,328,699.80
  4. Step 4: Simplify right side
    168,598,978.20x = 29,664,858,331,167,692
  5. Step 5: Solve for x
    x = 29,664,858,331,167,692/168,598,978.20
  6. Step 6: Final answer
    x = 175,949,217.77

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