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Finding the Fourth Proportional to 163,571.34, 225,729.39 and 91,950.73

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Solution

The fourth proportional to 163,571.34, 225,729.39 and 91,950.73 is: 126,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,571.34 : 225,729.39 = 91,950.73 : x
  2. Step 2: Convert to fraction form
    163,571.34/225,729.39 = 91,950.73/x
  3. Step 3: Cross multiply
    163,571.34x = 225,729.39 × 91,950.73
  4. Step 4: Simplify right side
    163,571.34x = 20,755,982,192.95
  5. Step 5: Solve for x
    x = 20,755,982,192.95/163,571.34
  6. Step 6: Final answer
    x = 126,892.54

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1.5x scale

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.