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Finding the Fourth Proportional to 71,602.26, 107,394.98 and 19,015.80

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Solution

The fourth proportional to 71,602.26, 107,394.98 and 19,015.80 is: 28,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,602.26 : 107,394.98 = 19,015.80 : x
  2. Step 2: Convert to fraction form
    71,602.26/107,394.98 = 19,015.80/x
  3. Step 3: Cross multiply
    71,602.26x = 107,394.98 × 19,015.80
  4. Step 4: Simplify right side
    71,602.26x = 2,042,201,365.61
  5. Step 5: Solve for x
    x = 2,042,201,365.61/71,602.26
  6. Step 6: Final answer
    x = 28,521.47

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