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Finding the Fourth Proportional to 92,921.92, 128,232.36 and 50,480.48

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Solution

The fourth proportional to 92,921.92, 128,232.36 and 50,480.48 is: 69,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,921.92 : 128,232.36 = 50,480.48 : x
  2. Step 2: Convert to fraction form
    92,921.92/128,232.36 = 50,480.48/x
  3. Step 3: Cross multiply
    92,921.92x = 128,232.36 × 50,480.48
  4. Step 4: Simplify right side
    92,921.92x = 6,473,231,084.33
  5. Step 5: Solve for x
    x = 6,473,231,084.33/92,921.92
  6. Step 6: Final answer
    x = 69,663.12

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