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Finding the Fourth Proportional to 80,485.94, 111,069.79 and 44,675.03

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Solution

The fourth proportional to 80,485.94, 111,069.79 and 44,675.03 is: 61,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,485.94 : 111,069.79 = 44,675.03 : x
  2. Step 2: Convert to fraction form
    80,485.94/111,069.79 = 44,675.03/x
  3. Step 3: Cross multiply
    80,485.94x = 111,069.79 × 44,675.03
  4. Step 4: Simplify right side
    80,485.94x = 4,962,046,366.33
  5. Step 5: Solve for x
    x = 4,962,046,366.33/80,485.94
  6. Step 6: Final answer
    x = 61,651.09

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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.