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Finding the Fourth Proportional to 220,287.33, 330,425.19 and 62,515.80

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Solution

The fourth proportional to 220,287.33, 330,425.19 and 62,515.80 is: 93,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,287.33 : 330,425.19 = 62,515.80 : x
  2. Step 2: Convert to fraction form
    220,287.33/330,425.19 = 62,515.80/x
  3. Step 3: Cross multiply
    220,287.33x = 330,425.19 × 62,515.80
  4. Step 4: Simplify right side
    220,287.33x = 20,656,795,093.00
  5. Step 5: Solve for x
    x = 20,656,795,093.00/220,287.33
  6. Step 6: Final answer
    x = 93,772.05

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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.