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Finding the Fourth Proportional to 173,282.20, 259,728.90 and 89,009.80

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Solution

The fourth proportional to 173,282.20, 259,728.90 and 89,009.80 is: 133,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,282.20 : 259,728.90 = 89,009.80 : x
  2. Step 2: Convert to fraction form
    173,282.20/259,728.90 = 89,009.80/x
  3. Step 3: Cross multiply
    173,282.20x = 259,728.90 × 89,009.80
  4. Step 4: Simplify right side
    173,282.20x = 23,118,417,443.22
  5. Step 5: Solve for x
    x = 23,118,417,443.22/173,282.20
  6. Step 6: Final answer
    x = 133,414.84

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