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Finding the Fourth Proportional to 80,462.91, 111,045.78 and 44,659.83

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Solution

The fourth proportional to 80,462.91, 111,045.78 and 44,659.83 is: 61,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,462.91 : 111,045.78 = 44,659.83 : x
  2. Step 2: Convert to fraction form
    80,462.91/111,045.78 = 44,659.83/x
  3. Step 3: Cross multiply
    80,462.91x = 111,045.78 × 44,659.83
  4. Step 4: Simplify right side
    80,462.91x = 4,959,285,657.02
  5. Step 5: Solve for x
    x = 4,959,285,657.02/80,462.91
  6. Step 6: Final answer
    x = 61,634.43

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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.