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Finding the Fourth Proportional to 78,953.97, 108,959.16 and 43,146.29

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Solution

The fourth proportional to 78,953.97, 108,959.16 and 43,146.29 is: 59,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,953.97 : 108,959.16 = 43,146.29 : x
  2. Step 2: Convert to fraction form
    78,953.97/108,959.16 = 43,146.29/x
  3. Step 3: Cross multiply
    78,953.97x = 108,959.16 × 43,146.29
  4. Step 4: Simplify right side
    78,953.97x = 4,701,182,970.72
  5. Step 5: Solve for x
    x = 4,701,182,970.72/78,953.97
  6. Step 6: Final answer
    x = 59,543.34

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