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Finding the Fourth Proportional to 56,091.44, 77,408.52 and 30,942.56

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Solution

The fourth proportional to 56,091.44, 77,408.52 and 30,942.56 is: 42,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,091.44 : 77,408.52 = 30,942.56 : x
  2. Step 2: Convert to fraction form
    56,091.44/77,408.52 = 30,942.56/x
  3. Step 3: Cross multiply
    56,091.44x = 77,408.52 × 30,942.56
  4. Step 4: Simplify right side
    56,091.44x = 2,395,217,774.61
  5. Step 5: Solve for x
    x = 2,395,217,774.61/56,091.44
  6. Step 6: Final answer
    x = 42,702.02

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