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Finding the Fourth Proportional to 245,672.26, 338,907.45 and 150,013.42

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Solution

The fourth proportional to 245,672.26, 338,907.45 and 150,013.42 is: 206,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,672.26 : 338,907.45 = 150,013.42 : x
  2. Step 2: Convert to fraction form
    245,672.26/338,907.45 = 150,013.42/x
  3. Step 3: Cross multiply
    245,672.26x = 338,907.45 × 150,013.42
  4. Step 4: Simplify right side
    245,672.26x = 50,840,665,637.98
  5. Step 5: Solve for x
    x = 50,840,665,637.98/245,672.26
  6. Step 6: Final answer
    x = 206,945.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.