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Finding the Fourth Proportional to 80,272.35, 110,777.64 and 45,816.40

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Solution

The fourth proportional to 80,272.35, 110,777.64 and 45,816.40 is: 63,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,272.35 : 110,777.64 = 45,816.40 : x
  2. Step 2: Convert to fraction form
    80,272.35/110,777.64 = 45,816.40/x
  3. Step 3: Cross multiply
    80,272.35x = 110,777.64 × 45,816.40
  4. Step 4: Simplify right side
    80,272.35x = 5,075,432,665.30
  5. Step 5: Solve for x
    x = 5,075,432,665.30/80,272.35
  6. Step 6: Final answer
    x = 63,227.66

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