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Finding the Fourth Proportional to 80,415.61, 110,974.08 and 44,606.23

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Solution

The fourth proportional to 80,415.61, 110,974.08 and 44,606.23 is: 61,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,415.61 : 110,974.08 = 44,606.23 : x
  2. Step 2: Convert to fraction form
    80,415.61/110,974.08 = 44,606.23/x
  3. Step 3: Cross multiply
    80,415.61x = 110,974.08 × 44,606.23
  4. Step 4: Simplify right side
    80,415.61x = 4,950,135,336.52
  5. Step 5: Solve for x
    x = 4,950,135,336.52/80,415.61
  6. Step 6: Final answer
    x = 61,556.90

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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.