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Finding the Fourth Proportional to 80,101.98, 110,538.54 and 44,290.80

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Solution

The fourth proportional to 80,101.98, 110,538.54 and 44,290.80 is: 61,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,101.98 : 110,538.54 = 44,290.80 : x
  2. Step 2: Convert to fraction form
    80,101.98/110,538.54 = 44,290.80/x
  3. Step 3: Cross multiply
    80,101.98x = 110,538.54 × 44,290.80
  4. Step 4: Simplify right side
    80,101.98x = 4,895,840,367.43
  5. Step 5: Solve for x
    x = 4,895,840,367.43/80,101.98
  6. Step 6: Final answer
    x = 61,120.09

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1.5x scale

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.