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Finding the Fourth Proportional to 80,704.78, 111,361.74 and 44,890.24

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Solution

The fourth proportional to 80,704.78, 111,361.74 and 44,890.24 is: 61,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,704.78 : 111,361.74 = 44,890.24 : x
  2. Step 2: Convert to fraction form
    80,704.78/111,361.74 = 44,890.24/x
  3. Step 3: Cross multiply
    80,704.78x = 111,361.74 × 44,890.24
  4. Step 4: Simplify right side
    80,704.78x = 4,999,055,235.42
  5. Step 5: Solve for x
    x = 4,999,055,235.42/80,704.78
  6. Step 6: Final answer
    x = 61,942.49

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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.