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Finding the Fourth Proportional to 78,909.34, 108,897.27 and 43,101.28

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Solution

The fourth proportional to 78,909.34, 108,897.27 and 43,101.28 is: 59,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,909.34 : 108,897.27 = 43,101.28 : x
  2. Step 2: Convert to fraction form
    78,909.34/108,897.27 = 43,101.28/x
  3. Step 3: Cross multiply
    78,909.34x = 108,897.27 × 43,101.28
  4. Step 4: Simplify right side
    78,909.34x = 4,693,611,725.51
  5. Step 5: Solve for x
    x = 4,693,611,725.51/78,909.34
  6. Step 6: Final answer
    x = 59,481.07

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