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Finding the Fourth Proportional to 78,370.49, 108,175.83 and 50,076.11

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Solution

The fourth proportional to 78,370.49, 108,175.83 and 50,076.11 is: 69,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,370.49 : 108,175.83 = 50,076.11 : x
  2. Step 2: Convert to fraction form
    78,370.49/108,175.83 = 50,076.11/x
  3. Step 3: Cross multiply
    78,370.49x = 108,175.83 × 50,076.11
  4. Step 4: Simplify right side
    78,370.49x = 5,417,024,762.42
  5. Step 5: Solve for x
    x = 5,417,024,762.42/78,370.49
  6. Step 6: Final answer
    x = 69,120.72

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