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Finding the Fourth Proportional to 80,617.80, 120,926.99 and 24,458.39

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Solution

The fourth proportional to 80,617.80, 120,926.99 and 24,458.39 is: 36,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617.80 : 120,926.99 = 24,458.39 : x
  2. Step 2: Convert to fraction form
    80,617.80/120,926.99 = 24,458.39/x
  3. Step 3: Cross multiply
    80,617.80x = 120,926.99 × 24,458.39
  4. Step 4: Simplify right side
    80,617.80x = 2,957,678,939.46
  5. Step 5: Solve for x
    x = 2,957,678,939.46/80,617.80
  6. Step 6: Final answer
    x = 36,687.67

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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.