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Finding the Fourth Proportional to 224,940.80, 337,540.80 and 84,713.60

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Solution

The fourth proportional to 224,940.80, 337,540.80 and 84,713.60 is: 127,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,940.80 : 337,540.80 = 84,713.60 : x
  2. Step 2: Convert to fraction form
    224,940.80/337,540.80 = 84,713.60/x
  3. Step 3: Cross multiply
    224,940.80x = 337,540.80 × 84,713.60
  4. Step 4: Simplify right side
    224,940.80x = 28,594,296,314.88
  5. Step 5: Solve for x
    x = 28,594,296,314.88/224,940.80
  6. Step 6: Final answer
    x = 127,119.21

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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.