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Finding the Fourth Proportional to 83,388.53, 115,076.22 and 45,662.78

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Solution

The fourth proportional to 83,388.53, 115,076.22 and 45,662.78 is: 63,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,388.53 : 115,076.22 = 45,662.78 : x
  2. Step 2: Convert to fraction form
    83,388.53/115,076.22 = 45,662.78/x
  3. Step 3: Cross multiply
    83,388.53x = 115,076.22 × 45,662.78
  4. Step 4: Simplify right side
    83,388.53x = 5,254,700,117.09
  5. Step 5: Solve for x
    x = 5,254,700,117.09/83,388.53
  6. Step 6: Final answer
    x = 63,014.66

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