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Finding the Fourth Proportional to 79,391.97, 119,017.83 and 60,755.22

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Solution

The fourth proportional to 79,391.97, 119,017.83 and 60,755.22 is: 91,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,391.97 : 119,017.83 = 60,755.22 : x
  2. Step 2: Convert to fraction form
    79,391.97/119,017.83 = 60,755.22/x
  3. Step 3: Cross multiply
    79,391.97x = 119,017.83 × 60,755.22
  4. Step 4: Simplify right side
    79,391.97x = 7,230,954,445.57
  5. Step 5: Solve for x
    x = 7,230,954,445.57/79,391.97
  6. Step 6: Final answer
    x = 91,079.17

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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.