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Finding the Fourth Proportional to 273,874.49, 411,150.03 and 129,917.94

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Solution

The fourth proportional to 273,874.49, 411,150.03 and 129,917.94 is: 195,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,874.49 : 411,150.03 = 129,917.94 : x
  2. Step 2: Convert to fraction form
    273,874.49/411,150.03 = 129,917.94/x
  3. Step 3: Cross multiply
    273,874.49x = 411,150.03 × 129,917.94
  4. Step 4: Simplify right side
    273,874.49x = 53,415,764,278.95
  5. Step 5: Solve for x
    x = 53,415,764,278.95/273,874.49
  6. Step 6: Final answer
    x = 195,037.39

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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.