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Finding the Fourth Proportional to 79,076.60, 118,614.90 and 75,663.80

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Solution

The fourth proportional to 79,076.60, 118,614.90 and 75,663.80 is: 113,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.60 : 118,614.90 = 75,663.80 : x
  2. Step 2: Convert to fraction form
    79,076.60/118,614.90 = 75,663.80/x
  3. Step 3: Cross multiply
    79,076.60x = 118,614.90 × 75,663.80
  4. Step 4: Simplify right side
    79,076.60x = 8,974,854,070.62
  5. Step 5: Solve for x
    x = 8,974,854,070.62/79,076.60
  6. Step 6: Final answer
    x = 113,495.70

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