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Finding the Fourth Proportional to 80,245.33, 110,739.09 and 44,437.66

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Solution

The fourth proportional to 80,245.33, 110,739.09 and 44,437.66 is: 61,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,245.33 : 110,739.09 = 44,437.66 : x
  2. Step 2: Convert to fraction form
    80,245.33/110,739.09 = 44,437.66/x
  3. Step 3: Cross multiply
    80,245.33x = 110,739.09 × 44,437.66
  4. Step 4: Simplify right side
    80,245.33x = 4,920,986,030.13
  5. Step 5: Solve for x
    x = 4,920,986,030.13/80,245.33
  6. Step 6: Final answer
    x = 61,324.27

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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.