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Finding the Fourth Proportional to 79,831.77, 119,712.89 and 22,893.09

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Solution

The fourth proportional to 79,831.77, 119,712.89 and 22,893.09 is: 34,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,831.77 : 119,712.89 = 22,893.09 : x
  2. Step 2: Convert to fraction form
    79,831.77/119,712.89 = 22,893.09/x
  3. Step 3: Cross multiply
    79,831.77x = 119,712.89 × 22,893.09
  4. Step 4: Simplify right side
    79,831.77x = 2,740,597,850.46
  5. Step 5: Solve for x
    x = 2,740,597,850.46/79,831.77
  6. Step 6: Final answer
    x = 34,329.66

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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.