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Finding the Fourth Proportional to 269,398.89, 371,772.92 and 148,544.46

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Solution

The fourth proportional to 269,398.89, 371,772.92 and 148,544.46 is: 204,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,398.89 : 371,772.92 = 148,544.46 : x
  2. Step 2: Convert to fraction form
    269,398.89/371,772.92 = 148,544.46/x
  3. Step 3: Cross multiply
    269,398.89x = 371,772.92 × 148,544.46
  4. Step 4: Simplify right side
    269,398.89x = 55,224,807,644.02
  5. Step 5: Solve for x
    x = 55,224,807,644.02/269,398.89
  6. Step 6: Final answer
    x = 204,992.71

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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.