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Finding the Fourth Proportional to 80,416.84, 110,975.94 and 44,609.80

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Solution

The fourth proportional to 80,416.84, 110,975.94 and 44,609.80 is: 61,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,416.84 : 110,975.94 = 44,609.80 : x
  2. Step 2: Convert to fraction form
    80,416.84/110,975.94 = 44,609.80/x
  3. Step 3: Cross multiply
    80,416.84x = 110,975.94 × 44,609.80
  4. Step 4: Simplify right side
    80,416.84x = 4,950,614,488.21
  5. Step 5: Solve for x
    x = 4,950,614,488.21/80,416.84
  6. Step 6: Final answer
    x = 61,561.91

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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.