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Finding the Fourth Proportional to 236,112.68, 325,826.01 and 128,680.40

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Solution

The fourth proportional to 236,112.68, 325,826.01 and 128,680.40 is: 177,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,112.68 : 325,826.01 = 128,680.40 : x
  2. Step 2: Convert to fraction form
    236,112.68/325,826.01 = 128,680.40/x
  3. Step 3: Cross multiply
    236,112.68x = 325,826.01 × 128,680.40
  4. Step 4: Simplify right side
    236,112.68x = 41,927,421,297.20
  5. Step 5: Solve for x
    x = 41,927,421,297.20/236,112.68
  6. Step 6: Final answer
    x = 177,573.78

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