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Finding the Fourth Proportional to 126,894.33, 175,101.48 and 75,896.73

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Solution

The fourth proportional to 126,894.33, 175,101.48 and 75,896.73 is: 104,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,894.33 : 175,101.48 = 75,896.73 : x
  2. Step 2: Convert to fraction form
    126,894.33/175,101.48 = 75,896.73/x
  3. Step 3: Cross multiply
    126,894.33x = 175,101.48 × 75,896.73
  4. Step 4: Simplify right side
    126,894.33x = 13,289,629,750.16
  5. Step 5: Solve for x
    x = 13,289,629,750.16/126,894.33
  6. Step 6: Final answer
    x = 104,729.89

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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.