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Finding the Fourth Proportional to 80,341.68, 120,511.88 and 24,181.54

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Solution

The fourth proportional to 80,341.68, 120,511.88 and 24,181.54 is: 36,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,341.68 : 120,511.88 = 24,181.54 : x
  2. Step 2: Convert to fraction form
    80,341.68/120,511.88 = 24,181.54/x
  3. Step 3: Cross multiply
    80,341.68x = 120,511.88 × 24,181.54
  4. Step 4: Simplify right side
    80,341.68x = 2,914,162,846.70
  5. Step 5: Solve for x
    x = 2,914,162,846.70/80,341.68
  6. Step 6: Final answer
    x = 36,272.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.