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Finding the Fourth Proportional to 222,518.22, 333,797.85 and 72,759.28

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Solution

The fourth proportional to 222,518.22, 333,797.85 and 72,759.28 is: 109,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,518.22 : 333,797.85 = 72,759.28 : x
  2. Step 2: Convert to fraction form
    222,518.22/333,797.85 = 72,759.28/x
  3. Step 3: Cross multiply
    222,518.22x = 333,797.85 × 72,759.28
  4. Step 4: Simplify right side
    222,518.22x = 24,286,889,198.76
  5. Step 5: Solve for x
    x = 24,286,889,198.76/222,518.22
  6. Step 6: Final answer
    x = 109,145.62

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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.