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Finding the Fourth Proportional to 111,523.62, 153,851.26 and 71,217.21

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Solution

The fourth proportional to 111,523.62, 153,851.26 and 71,217.21 is: 98,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,523.62 : 153,851.26 = 71,217.21 : x
  2. Step 2: Convert to fraction form
    111,523.62/153,851.26 = 71,217.21/x
  3. Step 3: Cross multiply
    111,523.62x = 153,851.26 × 71,217.21
  4. Step 4: Simplify right side
    111,523.62x = 10,956,857,492.18
  5. Step 5: Solve for x
    x = 10,956,857,492.18/111,523.62
  6. Step 6: Final answer
    x = 98,246.97

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