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Finding the Fourth Proportional to 80,191.52, 110,662.70 and 44,379.44

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Solution

The fourth proportional to 80,191.52, 110,662.70 and 44,379.44 is: 61,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,191.52 : 110,662.70 = 44,379.44 : x
  2. Step 2: Convert to fraction form
    80,191.52/110,662.70 = 44,379.44/x
  3. Step 3: Cross multiply
    80,191.52x = 110,662.70 × 44,379.44
  4. Step 4: Simplify right side
    80,191.52x = 4,911,148,654.89
  5. Step 5: Solve for x
    x = 4,911,148,654.89/80,191.52
  6. Step 6: Final answer
    x = 61,242.74

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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.