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Finding the Fourth Proportional to 92,976.23, 128,311.01 and 52,689.56

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Solution

The fourth proportional to 92,976.23, 128,311.01 and 52,689.56 is: 72,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,976.23 : 128,311.01 = 52,689.56 : x
  2. Step 2: Convert to fraction form
    92,976.23/128,311.01 = 52,689.56/x
  3. Step 3: Cross multiply
    92,976.23x = 128,311.01 × 52,689.56
  4. Step 4: Simplify right side
    92,976.23x = 6,760,650,660.06
  5. Step 5: Solve for x
    x = 6,760,650,660.06/92,976.23
  6. Step 6: Final answer
    x = 72,713.75

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