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Finding the Fourth Proportional to 116,140.58, 174,093.21 and 78,704.44

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Solution

The fourth proportional to 116,140.58, 174,093.21 and 78,704.44 is: 117,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,140.58 : 174,093.21 = 78,704.44 : x
  2. Step 2: Convert to fraction form
    116,140.58/174,093.21 = 78,704.44/x
  3. Step 3: Cross multiply
    116,140.58x = 174,093.21 × 78,704.44
  4. Step 4: Simplify right side
    116,140.58x = 13,701,908,165.62
  5. Step 5: Solve for x
    x = 13,701,908,165.62/116,140.58
  6. Step 6: Final answer
    x = 117,976.92

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