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Finding the Fourth Proportional to 100,650.24, 150,871.68 and 53,890.56

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Solution

The fourth proportional to 100,650.24, 150,871.68 and 53,890.56 is: 80,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,650.24 : 150,871.68 = 53,890.56 : x
  2. Step 2: Convert to fraction form
    100,650.24/150,871.68 = 53,890.56/x
  3. Step 3: Cross multiply
    100,650.24x = 150,871.68 × 53,890.56
  4. Step 4: Simplify right side
    100,650.24x = 8,130,559,323.34
  5. Step 5: Solve for x
    x = 8,130,559,323.34/100,650.24
  6. Step 6: Final answer
    x = 80,780.33

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