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Finding the Fourth Proportional to 220,295.86, 330,443.18 and 62,524.48

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Solution

The fourth proportional to 220,295.86, 330,443.18 and 62,524.48 is: 93,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,295.86 : 330,443.18 = 62,524.48 : x
  2. Step 2: Convert to fraction form
    220,295.86/330,443.18 = 62,524.48/x
  3. Step 3: Cross multiply
    220,295.86x = 330,443.18 × 62,524.48
  4. Step 4: Simplify right side
    220,295.86x = 20,660,787,999.05
  5. Step 5: Solve for x
    x = 20,660,787,999.05/220,295.86
  6. Step 6: Final answer
    x = 93,786.55

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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.