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Finding the Fourth Proportional to 216,102.94, 324,180.26 and 66,323.62

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Solution

The fourth proportional to 216,102.94, 324,180.26 and 66,323.62 is: 99,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,102.94 : 324,180.26 = 66,323.62 : x
  2. Step 2: Convert to fraction form
    216,102.94/324,180.26 = 66,323.62/x
  3. Step 3: Cross multiply
    216,102.94x = 324,180.26 × 66,323.62
  4. Step 4: Simplify right side
    216,102.94x = 21,500,809,433.74
  5. Step 5: Solve for x
    x = 21,500,809,433.74/216,102.94
  6. Step 6: Final answer
    x = 99,493.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.