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Finding the Fourth Proportional to 81,523.44, 122,104.50 and 62,664.60

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Solution

The fourth proportional to 81,523.44, 122,104.50 and 62,664.60 is: 93,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,523.44 : 122,104.50 = 62,664.60 : x
  2. Step 2: Convert to fraction form
    81,523.44/122,104.50 = 62,664.60/x
  3. Step 3: Cross multiply
    81,523.44x = 122,104.50 × 62,664.60
  4. Step 4: Simplify right side
    81,523.44x = 7,651,629,650.70
  5. Step 5: Solve for x
    x = 7,651,629,650.70/81,523.44
  6. Step 6: Final answer
    x = 93,858.03

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Why These Related Problems?

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