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Finding the Fourth Proportional to 224,709.84, 337,137.66 and 66,939.66

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Solution

The fourth proportional to 224,709.84, 337,137.66 and 66,939.66 is: 100,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,709.84 : 337,137.66 = 66,939.66 : x
  2. Step 2: Convert to fraction form
    224,709.84/337,137.66 = 66,939.66/x
  3. Step 3: Cross multiply
    224,709.84x = 337,137.66 × 66,939.66
  4. Step 4: Simplify right side
    224,709.84x = 22,567,880,333.60
  5. Step 5: Solve for x
    x = 22,567,880,333.60/224,709.84
  6. Step 6: Final answer
    x = 100,431.21

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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.