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Finding the Fourth Proportional to 273,721.70, 410,812.95 and 133,600.10

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Solution

The fourth proportional to 273,721.70, 410,812.95 and 133,600.10 is: 200,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,721.70 : 410,812.95 = 133,600.10 : x
  2. Step 2: Convert to fraction form
    273,721.70/410,812.95 = 133,600.10/x
  3. Step 3: Cross multiply
    273,721.70x = 410,812.95 × 133,600.10
  4. Step 4: Simplify right side
    273,721.70x = 54,884,651,201.30
  5. Step 5: Solve for x
    x = 54,884,651,201.30/273,721.70
  6. Step 6: Final answer
    x = 200,512.61

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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.