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Finding the Fourth Proportional to 78,725.97, 108,643.86 and 48,531.24

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Solution

The fourth proportional to 78,725.97, 108,643.86 and 48,531.24 is: 66,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725.97 : 108,643.86 = 48,531.24 : x
  2. Step 2: Convert to fraction form
    78,725.97/108,643.86 = 48,531.24/x
  3. Step 3: Cross multiply
    78,725.97x = 108,643.86 × 48,531.24
  4. Step 4: Simplify right side
    78,725.97x = 5,272,621,244.19
  5. Step 5: Solve for x
    x = 5,272,621,244.19/78,725.97
  6. Step 6: Final answer
    x = 66,974.36

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