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Finding the Fourth Proportional to 224,728.40, 337,222.20 and 84,587.60

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Solution

The fourth proportional to 224,728.40, 337,222.20 and 84,587.60 is: 126,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,728.40 : 337,222.20 = 84,587.60 : x
  2. Step 2: Convert to fraction form
    224,728.40/337,222.20 = 84,587.60/x
  3. Step 3: Cross multiply
    224,728.40x = 337,222.20 × 84,587.60
  4. Step 4: Simplify right side
    224,728.40x = 28,524,816,564.72
  5. Step 5: Solve for x
    x = 28,524,816,564.72/224,728.40
  6. Step 6: Final answer
    x = 126,930.18

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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.