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Finding the Fourth Proportional to 80,379.63, 110,922.84 and 44,570.34

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Solution

The fourth proportional to 80,379.63, 110,922.84 and 44,570.34 is: 61,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,379.63 : 110,922.84 = 44,570.34 : x
  2. Step 2: Convert to fraction form
    80,379.63/110,922.84 = 44,570.34/x
  3. Step 3: Cross multiply
    80,379.63x = 110,922.84 × 44,570.34
  4. Step 4: Simplify right side
    80,379.63x = 4,943,868,692.57
  5. Step 5: Solve for x
    x = 4,943,868,692.57/80,379.63
  6. Step 6: Final answer
    x = 61,506.49

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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.