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Finding the Fourth Proportional to 60,220.53, 90,372.24 and 20,777.67

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Solution

The fourth proportional to 60,220.53, 90,372.24 and 20,777.67 is: 31,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,220.53 : 90,372.24 = 20,777.67 : x
  2. Step 2: Convert to fraction form
    60,220.53/90,372.24 = 20,777.67/x
  3. Step 3: Cross multiply
    60,220.53x = 90,372.24 × 20,777.67
  4. Step 4: Simplify right side
    60,220.53x = 1,877,724,579.88
  5. Step 5: Solve for x
    x = 1,877,724,579.88/60,220.53
  6. Step 6: Final answer
    x = 31,180.80

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