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Finding the Fourth Proportional to 168,802.80, 253,131.30 and 84,530.40

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Solution

The fourth proportional to 168,802.80, 253,131.30 and 84,530.40 is: 126,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,802.80 : 253,131.30 = 84,530.40 : x
  2. Step 2: Convert to fraction form
    168,802.80/253,131.30 = 84,530.40/x
  3. Step 3: Cross multiply
    168,802.80x = 253,131.30 × 84,530.40
  4. Step 4: Simplify right side
    168,802.80x = 21,397,290,041.52
  5. Step 5: Solve for x
    x = 21,397,290,041.52/168,802.80
  6. Step 6: Final answer
    x = 126,759.09

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