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Finding the Fourth Proportional to 100,944.37, 139,307.93 and 58,516.21

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Solution

The fourth proportional to 100,944.37, 139,307.93 and 58,516.21 is: 80,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,944.37 : 139,307.93 = 58,516.21 : x
  2. Step 2: Convert to fraction form
    100,944.37/139,307.93 = 58,516.21/x
  3. Step 3: Cross multiply
    100,944.37x = 139,307.93 × 58,516.21
  4. Step 4: Simplify right side
    100,944.37x = 8,151,772,086.55
  5. Step 5: Solve for x
    x = 8,151,772,086.55/100,944.37
  6. Step 6: Final answer
    x = 80,755.09

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