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Finding the Fourth Proportional to 80,199.99, 110,672.50 and 44,387.86

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Solution

The fourth proportional to 80,199.99, 110,672.50 and 44,387.86 is: 61,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,199.99 : 110,672.50 = 44,387.86 : x
  2. Step 2: Convert to fraction form
    80,199.99/110,672.50 = 44,387.86/x
  3. Step 3: Cross multiply
    80,199.99x = 110,672.50 × 44,387.86
  4. Step 4: Simplify right side
    80,199.99x = 4,912,515,619.41
  5. Step 5: Solve for x
    x = 4,912,515,619.41/80,199.99
  6. Step 6: Final answer
    x = 61,253.32

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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.