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Finding the Fourth Proportional to 203,491.44, 280,541.88 and 171,604.44

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Solution

The fourth proportional to 203,491.44, 280,541.88 and 171,604.44 is: 236,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,491.44 : 280,541.88 = 171,604.44 : x
  2. Step 2: Convert to fraction form
    203,491.44/280,541.88 = 171,604.44/x
  3. Step 3: Cross multiply
    203,491.44x = 280,541.88 × 171,604.44
  4. Step 4: Simplify right side
    203,491.44x = 48,142,232,213.95
  5. Step 5: Solve for x
    x = 48,142,232,213.95/203,491.44
  6. Step 6: Final answer
    x = 236,581.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.