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Finding the Fourth Proportional to 172,661.17, 238,240.79 and 96,178.36

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Solution

The fourth proportional to 172,661.17, 238,240.79 and 96,178.36 is: 132,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,661.17 : 238,240.79 = 96,178.36 : x
  2. Step 2: Convert to fraction form
    172,661.17/238,240.79 = 96,178.36/x
  3. Step 3: Cross multiply
    172,661.17x = 238,240.79 × 96,178.36
  4. Step 4: Simplify right side
    172,661.17x = 22,913,609,409.24
  5. Step 5: Solve for x
    x = 22,913,609,409.24/172,661.17
  6. Step 6: Final answer
    x = 132,708.53

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