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Finding the Fourth Proportional to 80,189.36, 110,658.56 and 44,380.88

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Solution

The fourth proportional to 80,189.36, 110,658.56 and 44,380.88 is: 61,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,189.36 : 110,658.56 = 44,380.88 : x
  2. Step 2: Convert to fraction form
    80,189.36/110,658.56 = 44,380.88/x
  3. Step 3: Cross multiply
    80,189.36x = 110,658.56 × 44,380.88
  4. Step 4: Simplify right side
    80,189.36x = 4,911,124,272.33
  5. Step 5: Solve for x
    x = 4,911,124,272.33/80,189.36
  6. Step 6: Final answer
    x = 61,244.09

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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.