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Finding the Fourth Proportional to 226,498.32, 339,747.52 and 66,574.24

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Solution

The fourth proportional to 226,498.32, 339,747.52 and 66,574.24 is: 99,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,498.32 : 339,747.52 = 66,574.24 : x
  2. Step 2: Convert to fraction form
    226,498.32/339,747.52 = 66,574.24/x
  3. Step 3: Cross multiply
    226,498.32x = 339,747.52 × 66,574.24
  4. Step 4: Simplify right side
    226,498.32x = 22,618,432,935.88
  5. Step 5: Solve for x
    x = 22,618,432,935.88/226,498.32
  6. Step 6: Final answer
    x = 99,861.37

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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.