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Finding the Fourth Proportional to 92,556.17, 138,834.27 and 33,391.82

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Solution

The fourth proportional to 92,556.17, 138,834.27 and 33,391.82 is: 50,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,556.17 : 138,834.27 = 33,391.82 : x
  2. Step 2: Convert to fraction form
    92,556.17/138,834.27 = 33,391.82/x
  3. Step 3: Cross multiply
    92,556.17x = 138,834.27 × 33,391.82
  4. Step 4: Simplify right side
    92,556.17x = 4,635,928,953.67
  5. Step 5: Solve for x
    x = 4,635,928,953.67/92,556.17
  6. Step 6: Final answer
    x = 50,087.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.