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Finding the Fourth Proportional to 224,715.90, 337,219.65 and 129,945.90

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Solution

The fourth proportional to 224,715.90, 337,219.65 and 129,945.90 is: 195,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,715.90 : 337,219.65 = 129,945.90 : x
  2. Step 2: Convert to fraction form
    224,715.90/337,219.65 = 129,945.90/x
  3. Step 3: Cross multiply
    224,715.90x = 337,219.65 × 129,945.90
  4. Step 4: Simplify right side
    224,715.90x = 43,820,310,916.94
  5. Step 5: Solve for x
    x = 43,820,310,916.94/224,715.90
  6. Step 6: Final answer
    x = 195,003.16

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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.