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Finding the Fourth Proportional to 185,871.12, 278,812.16 and 45,629.76

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Solution

The fourth proportional to 185,871.12, 278,812.16 and 45,629.76 is: 68,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,871.12 : 278,812.16 = 45,629.76 : x
  2. Step 2: Convert to fraction form
    185,871.12/278,812.16 = 45,629.76/x
  3. Step 3: Cross multiply
    185,871.12x = 278,812.16 × 45,629.76
  4. Step 4: Simplify right side
    185,871.12x = 12,722,131,945.88
  5. Step 5: Solve for x
    x = 12,722,131,945.88/185,871.12
  6. Step 6: Final answer
    x = 68,445.99

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