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Finding the Fourth Proportional to 321,082.66, 443,101.24 and 183,258.83

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Solution

The fourth proportional to 321,082.66, 443,101.24 and 183,258.83 is: 252,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,082.66 : 443,101.24 = 183,258.83 : x
  2. Step 2: Convert to fraction form
    321,082.66/443,101.24 = 183,258.83/x
  3. Step 3: Cross multiply
    321,082.66x = 443,101.24 × 183,258.83
  4. Step 4: Simplify right side
    321,082.66x = 81,202,213,873.72
  5. Step 5: Solve for x
    x = 81,202,213,873.72/321,082.66
  6. Step 6: Final answer
    x = 252,901.28

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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.