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Finding the Fourth Proportional to 80,235.61, 110,716.20 and 44,416.65

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Solution

The fourth proportional to 80,235.61, 110,716.20 and 44,416.65 is: 61,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,235.61 : 110,716.20 = 44,416.65 : x
  2. Step 2: Convert to fraction form
    80,235.61/110,716.20 = 44,416.65/x
  3. Step 3: Cross multiply
    80,235.61x = 110,716.20 × 44,416.65
  4. Step 4: Simplify right side
    80,235.61x = 4,917,642,704.73
  5. Step 5: Solve for x
    x = 4,917,642,704.73/80,235.61
  6. Step 6: Final answer
    x = 61,290.03

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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.