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Finding the Fourth Proportional to 445,481.32, 668,244.68 and 129,962.04

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Solution

The fourth proportional to 445,481.32, 668,244.68 and 129,962.04 is: 194,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,481.32 : 668,244.68 = 129,962.04 : x
  2. Step 2: Convert to fraction form
    445,481.32/668,244.68 = 129,962.04/x
  3. Step 3: Cross multiply
    445,481.32x = 668,244.68 × 129,962.04
  4. Step 4: Simplify right side
    445,481.32x = 86,846,441,831.95
  5. Step 5: Solve for x
    x = 86,846,441,831.95/445,481.32
  6. Step 6: Final answer
    x = 194,949.68

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