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Finding the Fourth Proportional to 88,753.88, 133,131 and 33,311

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Solution

The fourth proportional to 88,753.88, 133,131 and 33,311 is: 49,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,753.88 : 133,131 = 33,311 : x
  2. Step 2: Convert to fraction form
    88,753.88/133,131 = 33,311/x
  3. Step 3: Cross multiply
    88,753.88x = 133,131 × 33,311
  4. Step 4: Simplify right side
    88,753.88x = 4,434,726,741
  5. Step 5: Solve for x
    x = 4,434,726,741/88,753.88
  6. Step 6: Final answer
    x = 49,966.57

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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.