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Finding the Fourth Proportional to 80,110.85, 110,549.61 and 43,811.70

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Solution

The fourth proportional to 80,110.85, 110,549.61 and 43,811.70 is: 60,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,110.85 : 110,549.61 = 43,811.70 : x
  2. Step 2: Convert to fraction form
    80,110.85/110,549.61 = 43,811.70/x
  3. Step 3: Cross multiply
    80,110.85x = 110,549.61 × 43,811.70
  4. Step 4: Simplify right side
    80,110.85x = 4,843,366,348.44
  5. Step 5: Solve for x
    x = 4,843,366,348.44/80,110.85
  6. Step 6: Final answer
    x = 60,458.31

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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.