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Finding the Fourth Proportional to 449,250.68, 673,972.71 and 129,400.34

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Solution

The fourth proportional to 449,250.68, 673,972.71 and 129,400.34 is: 194,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,250.68 : 673,972.71 = 129,400.34 : x
  2. Step 2: Convert to fraction form
    449,250.68/673,972.71 = 129,400.34/x
  3. Step 3: Cross multiply
    449,250.68x = 673,972.71 × 129,400.34
  4. Step 4: Simplify right side
    449,250.68x = 87,212,297,824.72
  5. Step 5: Solve for x
    x = 87,212,297,824.72/449,250.68
  6. Step 6: Final answer
    x = 194,128.36

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