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Finding the Fourth Proportional to 78,986.36, 118,495.41 and 29,066.72

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Solution

The fourth proportional to 78,986.36, 118,495.41 and 29,066.72 is: 43,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,986.36 : 118,495.41 = 29,066.72 : x
  2. Step 2: Convert to fraction form
    78,986.36/118,495.41 = 29,066.72/x
  3. Step 3: Cross multiply
    78,986.36x = 118,495.41 × 29,066.72
  4. Step 4: Simplify right side
    78,986.36x = 3,444,272,311.28
  5. Step 5: Solve for x
    x = 3,444,272,311.28/78,986.36
  6. Step 6: Final answer
    x = 43,605.92

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