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Finding the Fourth Proportional to 163,658.35, 225,849.87 and 92,037.73

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Solution

The fourth proportional to 163,658.35, 225,849.87 and 92,037.73 is: 127,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,658.35 : 225,849.87 = 92,037.73 : x
  2. Step 2: Convert to fraction form
    163,658.35/225,849.87 = 92,037.73/x
  3. Step 3: Cross multiply
    163,658.35x = 225,849.87 × 92,037.73
  4. Step 4: Simplify right side
    163,658.35x = 20,786,709,355.60
  5. Step 5: Solve for x
    x = 20,786,709,355.60/163,658.35
  6. Step 6: Final answer
    x = 127,012.82

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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.