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Finding the Fourth Proportional to 101,438.44, 139,982.52 and 56,118.94

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Solution

The fourth proportional to 101,438.44, 139,982.52 and 56,118.94 is: 77,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,438.44 : 139,982.52 = 56,118.94 : x
  2. Step 2: Convert to fraction form
    101,438.44/139,982.52 = 56,118.94/x
  3. Step 3: Cross multiply
    101,438.44x = 139,982.52 × 56,118.94
  4. Step 4: Simplify right side
    101,438.44x = 7,855,670,640.93
  5. Step 5: Solve for x
    x = 7,855,670,640.93/101,438.44
  6. Step 6: Final answer
    x = 77,442.74

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