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Finding the Fourth Proportional to 79,424.73, 119,137.20 and 55,837.76

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Solution

The fourth proportional to 79,424.73, 119,137.20 and 55,837.76 is: 83,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,424.73 : 119,137.20 = 55,837.76 : x
  2. Step 2: Convert to fraction form
    79,424.73/119,137.20 = 55,837.76/x
  3. Step 3: Cross multiply
    79,424.73x = 119,137.20 × 55,837.76
  4. Step 4: Simplify right side
    79,424.73x = 6,652,354,580.81
  5. Step 5: Solve for x
    x = 6,652,354,580.81/79,424.73
  6. Step 6: Final answer
    x = 83,756.72

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