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Finding the Fourth Proportional to 222,508.44, 333,837.18 and 72,755.64

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Solution

The fourth proportional to 222,508.44, 333,837.18 and 72,755.64 is: 109,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,508.44 : 333,837.18 = 72,755.64 : x
  2. Step 2: Convert to fraction form
    222,508.44/333,837.18 = 72,755.64/x
  3. Step 3: Cross multiply
    222,508.44x = 333,837.18 × 72,755.64
  4. Step 4: Simplify right side
    222,508.44x = 24,288,537,686.70
  5. Step 5: Solve for x
    x = 24,288,537,686.70/222,508.44
  6. Step 6: Final answer
    x = 109,157.83

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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.