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Finding the Fourth Proportional to 270,695.93, 406,100.39 and 81,148.64

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Solution

The fourth proportional to 270,695.93, 406,100.39 and 81,148.64 is: 121,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,695.93 : 406,100.39 = 81,148.64 : x
  2. Step 2: Convert to fraction form
    270,695.93/406,100.39 = 81,148.64/x
  3. Step 3: Cross multiply
    270,695.93x = 406,100.39 × 81,148.64
  4. Step 4: Simplify right side
    270,695.93x = 32,954,491,915.72
  5. Step 5: Solve for x
    x = 32,954,491,915.72/270,695.93
  6. Step 6: Final answer
    x = 121,739.89

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