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Finding the Fourth Proportional to 77,404.92, 106,819.96 and 43,420.94

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Solution

The fourth proportional to 77,404.92, 106,819.96 and 43,420.94 is: 59,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,404.92 : 106,819.96 = 43,420.94 : x
  2. Step 2: Convert to fraction form
    77,404.92/106,819.96 = 43,420.94/x
  3. Step 3: Cross multiply
    77,404.92x = 106,819.96 × 43,420.94
  4. Step 4: Simplify right side
    77,404.92x = 4,638,223,073.96
  5. Step 5: Solve for x
    x = 4,638,223,073.96/77,404.92
  6. Step 6: Final answer
    x = 59,921.55

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