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Finding the Fourth Proportional to 78,605.34, 117,926.43 and 26,014.78

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Solution

The fourth proportional to 78,605.34, 117,926.43 and 26,014.78 is: 39,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,605.34 : 117,926.43 = 26,014.78 : x
  2. Step 2: Convert to fraction form
    78,605.34/117,926.43 = 26,014.78/x
  3. Step 3: Cross multiply
    78,605.34x = 117,926.43 × 26,014.78
  4. Step 4: Simplify right side
    78,605.34x = 3,067,830,132.64
  5. Step 5: Solve for x
    x = 3,067,830,132.64/78,605.34
  6. Step 6: Final answer
    x = 39,028.27

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