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Finding the Fourth Proportional to 273,519.98, 410,427.29 and 133,278.60

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Solution

The fourth proportional to 273,519.98, 410,427.29 and 133,278.60 is: 199,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,519.98 : 410,427.29 = 133,278.60 : x
  2. Step 2: Convert to fraction form
    273,519.98/410,427.29 = 133,278.60/x
  3. Step 3: Cross multiply
    273,519.98x = 410,427.29 × 133,278.60
  4. Step 4: Simplify right side
    273,519.98x = 54,701,174,612.99
  5. Step 5: Solve for x
    x = 54,701,174,612.99/273,519.98
  6. Step 6: Final answer
    x = 199,989.68

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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.