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Finding the Fourth Proportional to 80,485.73, 111,068.19 and 44,674.82

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Solution

The fourth proportional to 80,485.73, 111,068.19 and 44,674.82 is: 61,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,485.73 : 111,068.19 = 44,674.82 : x
  2. Step 2: Convert to fraction form
    80,485.73/111,068.19 = 44,674.82/x
  3. Step 3: Cross multiply
    80,485.73x = 111,068.19 × 44,674.82
  4. Step 4: Simplify right side
    80,485.73x = 4,961,951,395.98
  5. Step 5: Solve for x
    x = 4,961,951,395.98/80,485.73
  6. Step 6: Final answer
    x = 61,650.08

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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.