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Finding the Fourth Proportional to 222,410.73, 333,296.64 and 126,424.21

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Solution

The fourth proportional to 222,410.73, 333,296.64 and 126,424.21 is: 189,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,410.73 : 333,296.64 = 126,424.21 : x
  2. Step 2: Convert to fraction form
    222,410.73/333,296.64 = 126,424.21/x
  3. Step 3: Cross multiply
    222,410.73x = 333,296.64 × 126,424.21
  4. Step 4: Simplify right side
    222,410.73x = 42,136,764,407.65
  5. Step 5: Solve for x
    x = 42,136,764,407.65/222,410.73
  6. Step 6: Final answer
    x = 189,454.73

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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.