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Finding the Fourth Proportional to 80,890.92, 111,635.91 and 44,598.96

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Solution

The fourth proportional to 80,890.92, 111,635.91 and 44,598.96 is: 61,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,890.92 : 111,635.91 = 44,598.96 : x
  2. Step 2: Convert to fraction form
    80,890.92/111,635.91 = 44,598.96/x
  3. Step 3: Cross multiply
    80,890.92x = 111,635.91 × 44,598.96
  4. Step 4: Simplify right side
    80,890.92x = 4,978,845,484.65
  5. Step 5: Solve for x
    x = 4,978,845,484.65/80,890.92
  6. Step 6: Final answer
    x = 61,550.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.