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Finding the Fourth Proportional to 89,160.91, 133,709.48 and 41,767.90

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Solution

The fourth proportional to 89,160.91, 133,709.48 and 41,767.90 is: 62,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,160.91 : 133,709.48 = 41,767.90 : x
  2. Step 2: Convert to fraction form
    89,160.91/133,709.48 = 41,767.90/x
  3. Step 3: Cross multiply
    89,160.91x = 133,709.48 × 41,767.90
  4. Step 4: Simplify right side
    89,160.91x = 5,584,764,189.69
  5. Step 5: Solve for x
    x = 5,584,764,189.69/89,160.91
  6. Step 6: Final answer
    x = 62,636.91

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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.