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Finding the Fourth Proportional to 220,657.26, 330,986.58 and 60,735.33

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Solution

The fourth proportional to 220,657.26, 330,986.58 and 60,735.33 is: 91,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,657.26 : 330,986.58 = 60,735.33 : x
  2. Step 2: Convert to fraction form
    220,657.26/330,986.58 = 60,735.33/x
  3. Step 3: Cross multiply
    220,657.26x = 330,986.58 × 60,735.33
  4. Step 4: Simplify right side
    220,657.26x = 20,102,579,161.87
  5. Step 5: Solve for x
    x = 20,102,579,161.87/220,657.26
  6. Step 6: Final answer
    x = 91,103.18

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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.