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Finding the Fourth Proportional to 163,658.70, 225,836.37 and 92,024.46

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Solution

The fourth proportional to 163,658.70, 225,836.37 and 92,024.46 is: 126,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,658.70 : 225,836.37 = 92,024.46 : x
  2. Step 2: Convert to fraction form
    163,658.70/225,836.37 = 92,024.46/x
  3. Step 3: Cross multiply
    163,658.70x = 225,836.37 × 92,024.46
  4. Step 4: Simplify right side
    163,658.70x = 20,782,469,997.61
  5. Step 5: Solve for x
    x = 20,782,469,997.61/163,658.70
  6. Step 6: Final answer
    x = 126,986.65

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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.