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Finding the Fourth Proportional to 80,646.80, 111,295.45 and 44,351.01

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Solution

The fourth proportional to 80,646.80, 111,295.45 and 44,351.01 is: 61,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,646.80 : 111,295.45 = 44,351.01 : x
  2. Step 2: Convert to fraction form
    80,646.80/111,295.45 = 44,351.01/x
  3. Step 3: Cross multiply
    80,646.80x = 111,295.45 × 44,351.01
  4. Step 4: Simplify right side
    80,646.80x = 4,936,065,434.94
  5. Step 5: Solve for x
    x = 4,936,065,434.94/80,646.80
  6. Step 6: Final answer
    x = 61,205.97

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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.