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Finding the Fourth Proportional to 220,539.54, 330,821.82 and 62,755.50

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Solution

The fourth proportional to 220,539.54, 330,821.82 and 62,755.50 is: 94,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,539.54 : 330,821.82 = 62,755.50 : x
  2. Step 2: Convert to fraction form
    220,539.54/330,821.82 = 62,755.50/x
  3. Step 3: Cross multiply
    220,539.54x = 330,821.82 × 62,755.50
  4. Step 4: Simplify right side
    220,539.54x = 20,760,888,725.01
  5. Step 5: Solve for x
    x = 20,760,888,725.01/220,539.54
  6. Step 6: Final answer
    x = 94,136.81

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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.