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Finding the Fourth Proportional to 222,506.72, 333,723.13 and 80,324.72

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Solution

The fourth proportional to 222,506.72, 333,723.13 and 80,324.72 is: 120,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,506.72 : 333,723.13 = 80,324.72 : x
  2. Step 2: Convert to fraction form
    222,506.72/333,723.13 = 80,324.72/x
  3. Step 3: Cross multiply
    222,506.72x = 333,723.13 × 80,324.72
  4. Step 4: Simplify right side
    222,506.72x = 26,806,216,974.77
  5. Step 5: Solve for x
    x = 26,806,216,974.77/222,506.72
  6. Step 6: Final answer
    x = 120,473.74

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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.