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Finding the Fourth Proportional to 273,414.11, 409,839.68 and 104,889.56

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Solution

The fourth proportional to 273,414.11, 409,839.68 and 104,889.56 is: 157,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,414.11 : 409,839.68 = 104,889.56 : x
  2. Step 2: Convert to fraction form
    273,414.11/409,839.68 = 104,889.56/x
  3. Step 3: Cross multiply
    273,414.11x = 409,839.68 × 104,889.56
  4. Step 4: Simplify right side
    273,414.11x = 42,987,901,918.77
  5. Step 5: Solve for x
    x = 42,987,901,918.77/273,414.11
  6. Step 6: Final answer
    x = 157,226.35

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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.