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Finding the Fourth Proportional to 51,136.80, 76,691.16 and 32,388.72

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Solution

The fourth proportional to 51,136.80, 76,691.16 and 32,388.72 is: 48,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.80 : 76,691.16 = 32,388.72 : x
  2. Step 2: Convert to fraction form
    51,136.80/76,691.16 = 32,388.72/x
  3. Step 3: Cross multiply
    51,136.80x = 76,691.16 × 32,388.72
  4. Step 4: Simplify right side
    51,136.80x = 2,483,928,507.72
  5. Step 5: Solve for x
    x = 2,483,928,507.72/51,136.80
  6. Step 6: Final answer
    x = 48,574.19

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