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Finding the Fourth Proportional to 236,103.09, 325,812.75 and 128,670.78

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Solution

The fourth proportional to 236,103.09, 325,812.75 and 128,670.78 is: 177,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,103.09 : 325,812.75 = 128,670.78 : x
  2. Step 2: Convert to fraction form
    236,103.09/325,812.75 = 128,670.78/x
  3. Step 3: Cross multiply
    236,103.09x = 325,812.75 × 128,670.78
  4. Step 4: Simplify right side
    236,103.09x = 41,922,580,676.45
  5. Step 5: Solve for x
    x = 41,922,580,676.45/236,103.09
  6. Step 6: Final answer
    x = 177,560.49

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