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Finding the Fourth Proportional to 224,745.56, 337,131.29 and 84,505.40

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Solution

The fourth proportional to 224,745.56, 337,131.29 and 84,505.40 is: 126,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,745.56 : 337,131.29 = 84,505.40 : x
  2. Step 2: Convert to fraction form
    224,745.56/337,131.29 = 84,505.40/x
  3. Step 3: Cross multiply
    224,745.56x = 337,131.29 × 84,505.40
  4. Step 4: Simplify right side
    224,745.56x = 28,489,412,405.78
  5. Step 5: Solve for x
    x = 28,489,412,405.78/224,745.56
  6. Step 6: Final answer
    x = 126,762.96

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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.