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Finding the Fourth Proportional to 92,927.91, 128,236.36 and 52,640.85

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Solution

The fourth proportional to 92,927.91, 128,236.36 and 52,640.85 is: 72,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.91 : 128,236.36 = 52,640.85 : x
  2. Step 2: Convert to fraction form
    92,927.91/128,236.36 = 52,640.85/x
  3. Step 3: Cross multiply
    92,927.91x = 128,236.36 × 52,640.85
  4. Step 4: Simplify right side
    92,927.91x = 6,750,470,991.31
  5. Step 5: Solve for x
    x = 6,750,470,991.31/92,927.91
  6. Step 6: Final answer
    x = 72,642.02

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