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Finding the Fourth Proportional to 378,133.82, 567,007.80 and 125,324.30

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Solution

The fourth proportional to 378,133.82, 567,007.80 and 125,324.30 is: 187,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,133.82 : 567,007.80 = 125,324.30 : x
  2. Step 2: Convert to fraction form
    378,133.82/567,007.80 = 125,324.30/x
  3. Step 3: Cross multiply
    378,133.82x = 567,007.80 × 125,324.30
  4. Step 4: Simplify right side
    378,133.82x = 71,059,855,629.54
  5. Step 5: Solve for x
    x = 71,059,855,629.54/378,133.82
  6. Step 6: Final answer
    x = 187,922.51

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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.