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Finding the Fourth Proportional to 114,851.97, 158,504.57 and 68,913.33

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Solution

The fourth proportional to 114,851.97, 158,504.57 and 68,913.33 is: 95,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,851.97 : 158,504.57 = 68,913.33 : x
  2. Step 2: Convert to fraction form
    114,851.97/158,504.57 = 68,913.33/x
  3. Step 3: Cross multiply
    114,851.97x = 158,504.57 × 68,913.33
  4. Step 4: Simplify right side
    114,851.97x = 10,923,077,738.92
  5. Step 5: Solve for x
    x = 10,923,077,738.92/114,851.97
  6. Step 6: Final answer
    x = 95,105.71

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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.