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Finding the Fourth Proportional to 245,467.82, 368,308.31 and 133,227.33

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Solution

The fourth proportional to 245,467.82, 368,308.31 and 133,227.33 is: 199,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,467.82 : 368,308.31 = 133,227.33 : x
  2. Step 2: Convert to fraction form
    245,467.82/368,308.31 = 133,227.33/x
  3. Step 3: Cross multiply
    245,467.82x = 368,308.31 × 133,227.33
  4. Step 4: Simplify right side
    245,467.82x = 49,068,732,091.98
  5. Step 5: Solve for x
    x = 49,068,732,091.98/245,467.82
  6. Step 6: Final answer
    x = 199,898.84

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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.