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Finding the Fourth Proportional to 73,067.49, 100,831.10 and 41,239.35

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Solution

The fourth proportional to 73,067.49, 100,831.10 and 41,239.35 is: 56,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.49 : 100,831.10 = 41,239.35 : x
  2. Step 2: Convert to fraction form
    73,067.49/100,831.10 = 41,239.35/x
  3. Step 3: Cross multiply
    73,067.49x = 100,831.10 × 41,239.35
  4. Step 4: Simplify right side
    73,067.49x = 4,158,208,817.59
  5. Step 5: Solve for x
    x = 4,158,208,817.59/73,067.49
  6. Step 6: Final answer
    x = 56,909.15

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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.