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Finding the Fourth Proportional to 269,840.86, 404,687.39 and 101,348.15

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Solution

The fourth proportional to 269,840.86, 404,687.39 and 101,348.15 is: 151,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,840.86 : 404,687.39 = 101,348.15 : x
  2. Step 2: Convert to fraction form
    269,840.86/404,687.39 = 101,348.15/x
  3. Step 3: Cross multiply
    269,840.86x = 404,687.39 × 101,348.15
  4. Step 4: Simplify right side
    269,840.86x = 41,014,318,304.83
  5. Step 5: Solve for x
    x = 41,014,318,304.83/269,840.86
  6. Step 6: Final answer
    x = 151,994.47

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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.