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Finding the Fourth Proportional to 71,061.71, 98,066.80 and 39,231.24

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Solution

The fourth proportional to 71,061.71, 98,066.80 and 39,231.24 is: 54,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,061.71 : 98,066.80 = 39,231.24 : x
  2. Step 2: Convert to fraction form
    71,061.71/98,066.80 = 39,231.24/x
  3. Step 3: Cross multiply
    71,061.71x = 98,066.80 × 39,231.24
  4. Step 4: Simplify right side
    71,061.71x = 3,847,281,848.12
  5. Step 5: Solve for x
    x = 3,847,281,848.12/71,061.71
  6. Step 6: Final answer
    x = 54,140.02

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