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Finding the Fourth Proportional to 78,978.70, 118,514.85 and 29,093.86

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Solution

The fourth proportional to 78,978.70, 118,514.85 and 29,093.86 is: 43,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,978.70 : 118,514.85 = 29,093.86 : x
  2. Step 2: Convert to fraction form
    78,978.70/118,514.85 = 29,093.86/x
  3. Step 3: Cross multiply
    78,978.70x = 118,514.85 × 29,093.86
  4. Step 4: Simplify right side
    78,978.70x = 3,448,054,453.82
  5. Step 5: Solve for x
    x = 3,448,054,453.82/78,978.70
  6. Step 6: Final answer
    x = 43,658.03

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