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Finding the Fourth Proportional to 273,376.40, 410,122.20 and 115,523.60

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Solution

The fourth proportional to 273,376.40, 410,122.20 and 115,523.60 is: 173,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,376.40 : 410,122.20 = 115,523.60 : x
  2. Step 2: Convert to fraction form
    273,376.40/410,122.20 = 115,523.60/x
  3. Step 3: Cross multiply
    273,376.40x = 410,122.20 × 115,523.60
  4. Step 4: Simplify right side
    273,376.40x = 47,378,792,983.92
  5. Step 5: Solve for x
    x = 47,378,792,983.92/273,376.40
  6. Step 6: Final answer
    x = 173,309.74

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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.