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Finding the Fourth Proportional to 80,484.69, 111,068.78 and 44,674.61

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Solution

The fourth proportional to 80,484.69, 111,068.78 and 44,674.61 is: 61,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,484.69 : 111,068.78 = 44,674.61 : x
  2. Step 2: Convert to fraction form
    80,484.69/111,068.78 = 44,674.61/x
  3. Step 3: Cross multiply
    80,484.69x = 111,068.78 × 44,674.61
  4. Step 4: Simplify right side
    80,484.69x = 4,961,954,429.68
  5. Step 5: Solve for x
    x = 4,961,954,429.68/80,484.69
  6. Step 6: Final answer
    x = 61,650.91

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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.