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Finding the Fourth Proportional to 222,122, 333,217.68 and 72,326.96

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Solution

The fourth proportional to 222,122, 333,217.68 and 72,326.96 is: 108,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,122 : 333,217.68 = 72,326.96 : x
  2. Step 2: Convert to fraction form
    222,122/333,217.68 = 72,326.96/x
  3. Step 3: Cross multiply
    222,122x = 333,217.68 × 72,326.96
  4. Step 4: Simplify right side
    222,122x = 24,100,621,812.65
  5. Step 5: Solve for x
    x = 24,100,621,812.65/222,122
  6. Step 6: Final answer
    x = 108,501.73

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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.