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Finding the Fourth Proportional to 92,658.92, 127,865.87 and 50,216.54

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Solution

The fourth proportional to 92,658.92, 127,865.87 and 50,216.54 is: 69,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,658.92 : 127,865.87 = 50,216.54 : x
  2. Step 2: Convert to fraction form
    92,658.92/127,865.87 = 50,216.54/x
  3. Step 3: Cross multiply
    92,658.92x = 127,865.87 × 50,216.54
  4. Step 4: Simplify right side
    92,658.92x = 6,420,981,575.49
  5. Step 5: Solve for x
    x = 6,420,981,575.49/92,658.92
  6. Step 6: Final answer
    x = 69,296.96

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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.