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Finding the Fourth Proportional to 273,718.77, 410,617.22 and 84,194.94

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Solution

The fourth proportional to 273,718.77, 410,617.22 and 84,194.94 is: 126,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,718.77 : 410,617.22 = 84,194.94 : x
  2. Step 2: Convert to fraction form
    273,718.77/410,617.22 = 84,194.94/x
  3. Step 3: Cross multiply
    273,718.77x = 410,617.22 × 84,194.94
  4. Step 4: Simplify right side
    273,718.77x = 34,571,894,030.10
  5. Step 5: Solve for x
    x = 34,571,894,030.10/273,718.77
  6. Step 6: Final answer
    x = 126,304.43

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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.