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Finding the Fourth Proportional to 323,082.72, 445,868.76 and 179,851.80

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Solution

The fourth proportional to 323,082.72, 445,868.76 and 179,851.80 is: 248,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,082.72 : 445,868.76 = 179,851.80 : x
  2. Step 2: Convert to fraction form
    323,082.72/445,868.76 = 179,851.80/x
  3. Step 3: Cross multiply
    323,082.72x = 445,868.76 × 179,851.80
  4. Step 4: Simplify right side
    323,082.72x = 80,190,299,049.77
  5. Step 5: Solve for x
    x = 80,190,299,049.77/323,082.72
  6. Step 6: Final answer
    x = 248,203.62

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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.