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Finding the Fourth Proportional to 93,112.86, 128,491.92 and 50,671.56

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Solution

The fourth proportional to 93,112.86, 128,491.92 and 50,671.56 is: 69,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,112.86 : 128,491.92 = 50,671.56 : x
  2. Step 2: Convert to fraction form
    93,112.86/128,491.92 = 50,671.56/x
  3. Step 3: Cross multiply
    93,112.86x = 128,491.92 × 50,671.56
  4. Step 4: Simplify right side
    93,112.86x = 6,510,886,033.80
  5. Step 5: Solve for x
    x = 6,510,886,033.80/93,112.86
  6. Step 6: Final answer
    x = 69,924.67

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