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Finding the Fourth Proportional to 273,880.32, 410,937.60 and 131,657.28

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Solution

The fourth proportional to 273,880.32, 410,937.60 and 131,657.28 is: 197,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,880.32 : 410,937.60 = 131,657.28 : x
  2. Step 2: Convert to fraction form
    273,880.32/410,937.60 = 131,657.28/x
  3. Step 3: Cross multiply
    273,880.32x = 410,937.60 × 131,657.28
  4. Step 4: Simplify right side
    273,880.32x = 54,102,926,665.73
  5. Step 5: Solve for x
    x = 54,102,926,665.73/273,880.32
  6. Step 6: Final answer
    x = 197,542.22

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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.