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Finding the Fourth Proportional to 80,982.30, 111,754.81 and 44,684.08

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Solution

The fourth proportional to 80,982.30, 111,754.81 and 44,684.08 is: 61,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,982.30 : 111,754.81 = 44,684.08 : x
  2. Step 2: Convert to fraction form
    80,982.30/111,754.81 = 44,684.08/x
  3. Step 3: Cross multiply
    80,982.30x = 111,754.81 × 44,684.08
  4. Step 4: Simplify right side
    80,982.30x = 4,993,660,479.33
  5. Step 5: Solve for x
    x = 4,993,660,479.33/80,982.30
  6. Step 6: Final answer
    x = 61,663.60

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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.