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Finding the Fourth Proportional to 139,747, 192,865.44 and 79,333.96

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Solution

The fourth proportional to 139,747, 192,865.44 and 79,333.96 is: 109,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,747 : 192,865.44 = 79,333.96 : x
  2. Step 2: Convert to fraction form
    139,747/192,865.44 = 79,333.96/x
  3. Step 3: Cross multiply
    139,747x = 192,865.44 × 79,333.96
  4. Step 4: Simplify right side
    139,747x = 15,300,779,102.34
  5. Step 5: Solve for x
    x = 15,300,779,102.34/139,747
  6. Step 6: Final answer
    x = 109,489.14

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