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Finding the Fourth Proportional to 71,400.51, 98,531.19 and 39,569.13

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Solution

The fourth proportional to 71,400.51, 98,531.19 and 39,569.13 is: 54,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,400.51 : 98,531.19 = 39,569.13 : x
  2. Step 2: Convert to fraction form
    71,400.51/98,531.19 = 39,569.13/x
  3. Step 3: Cross multiply
    71,400.51x = 98,531.19 × 39,569.13
  4. Step 4: Simplify right side
    71,400.51x = 3,898,793,466.16
  5. Step 5: Solve for x
    x = 3,898,793,466.16/71,400.51
  6. Step 6: Final answer
    x = 54,604.56

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