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Finding the Fourth Proportional to 567,986.40, 851,979.60 and 168,688.80

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Solution

The fourth proportional to 567,986.40, 851,979.60 and 168,688.80 is: 253,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,986.40 : 851,979.60 = 168,688.80 : x
  2. Step 2: Convert to fraction form
    567,986.40/851,979.60 = 168,688.80/x
  3. Step 3: Cross multiply
    567,986.40x = 851,979.60 × 168,688.80
  4. Step 4: Simplify right side
    567,986.40x = 143,719,416,348.48
  5. Step 5: Solve for x
    x = 143,719,416,348.48/567,986.40
  6. Step 6: Final answer
    x = 253,033.20

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