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Finding the Fourth Proportional to 104,048.20, 156,145.20 and 66,699.10

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Solution

The fourth proportional to 104,048.20, 156,145.20 and 66,699.10 is: 100,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,048.20 : 156,145.20 = 66,699.10 : x
  2. Step 2: Convert to fraction form
    104,048.20/156,145.20 = 66,699.10/x
  3. Step 3: Cross multiply
    104,048.20x = 156,145.20 × 66,699.10
  4. Step 4: Simplify right side
    104,048.20x = 10,414,744,309.32
  5. Step 5: Solve for x
    x = 10,414,744,309.32/104,048.20
  6. Step 6: Final answer
    x = 100,095.38

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