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Finding the Fourth Proportional to 136,563.50, 188,458.43 and 76,137.94

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Solution

The fourth proportional to 136,563.50, 188,458.43 and 76,137.94 is: 105,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,563.50 : 188,458.43 = 76,137.94 : x
  2. Step 2: Convert to fraction form
    136,563.50/188,458.43 = 76,137.94/x
  3. Step 3: Cross multiply
    136,563.50x = 188,458.43 × 76,137.94
  4. Step 4: Simplify right side
    136,563.50x = 14,348,836,635.83
  5. Step 5: Solve for x
    x = 14,348,836,635.83/136,563.50
  6. Step 6: Final answer
    x = 105,070.80

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