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Finding the Fourth Proportional to 89,227.88, 133,819.42 and 36,651.88

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Solution

The fourth proportional to 89,227.88, 133,819.42 and 36,651.88 is: 54,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,227.88 : 133,819.42 = 36,651.88 : x
  2. Step 2: Convert to fraction form
    89,227.88/133,819.42 = 36,651.88/x
  3. Step 3: Cross multiply
    89,227.88x = 133,819.42 × 36,651.88
  4. Step 4: Simplify right side
    89,227.88x = 4,904,733,323.51
  5. Step 5: Solve for x
    x = 4,904,733,323.51/89,227.88
  6. Step 6: Final answer
    x = 54,968.62

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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.