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Finding the Fourth Proportional to 273,356.40, 410,111.40 and 133,119.60

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Solution

The fourth proportional to 273,356.40, 410,111.40 and 133,119.60 is: 199,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,356.40 : 410,111.40 = 133,119.60 : x
  2. Step 2: Convert to fraction form
    273,356.40/410,111.40 = 133,119.60/x
  3. Step 3: Cross multiply
    273,356.40x = 410,111.40 × 133,119.60
  4. Step 4: Simplify right side
    273,356.40x = 54,593,865,523.44
  5. Step 5: Solve for x
    x = 54,593,865,523.44/273,356.40
  6. Step 6: Final answer
    x = 199,716.80

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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.