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Finding the Fourth Proportional to 72,893.25, 109,092.98 and 44,831.09

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Solution

The fourth proportional to 72,893.25, 109,092.98 and 44,831.09 is: 67,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893.25 : 109,092.98 = 44,831.09 : x
  2. Step 2: Convert to fraction form
    72,893.25/109,092.98 = 44,831.09/x
  3. Step 3: Cross multiply
    72,893.25x = 109,092.98 × 44,831.09
  4. Step 4: Simplify right side
    72,893.25x = 4,890,757,589.56
  5. Step 5: Solve for x
    x = 4,890,757,589.56/72,893.25
  6. Step 6: Final answer
    x = 67,094.79

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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.