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Finding the Fourth Proportional to 88,699.44, 133,044.30 and 53,629.68

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Solution

The fourth proportional to 88,699.44, 133,044.30 and 53,629.68 is: 80,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,699.44 : 133,044.30 = 53,629.68 : x
  2. Step 2: Convert to fraction form
    88,699.44/133,044.30 = 53,629.68/x
  3. Step 3: Cross multiply
    88,699.44x = 133,044.30 × 53,629.68
  4. Step 4: Simplify right side
    88,699.44x = 7,135,123,234.82
  5. Step 5: Solve for x
    x = 7,135,123,234.82/88,699.44
  6. Step 6: Final answer
    x = 80,441.58

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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.