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Finding the Fourth Proportional to 80,245.83, 110,739.78 and 44,438.16

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Solution

The fourth proportional to 80,245.83, 110,739.78 and 44,438.16 is: 61,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,245.83 : 110,739.78 = 44,438.16 : x
  2. Step 2: Convert to fraction form
    80,245.83/110,739.78 = 44,438.16/x
  3. Step 3: Cross multiply
    80,245.83x = 110,739.78 × 44,438.16
  4. Step 4: Simplify right side
    80,245.83x = 4,921,072,062.00
  5. Step 5: Solve for x
    x = 4,921,072,062.00/80,245.83
  6. Step 6: Final answer
    x = 61,324.96

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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.