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Finding the Fourth Proportional to 80,163.51, 110,628.90 and 44,352.95

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Solution

The fourth proportional to 80,163.51, 110,628.90 and 44,352.95 is: 61,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,163.51 : 110,628.90 = 44,352.95 : x
  2. Step 2: Convert to fraction form
    80,163.51/110,628.90 = 44,352.95/x
  3. Step 3: Cross multiply
    80,163.51x = 110,628.90 × 44,352.95
  4. Step 4: Simplify right side
    80,163.51x = 4,906,717,517.11
  5. Step 5: Solve for x
    x = 4,906,717,517.11/80,163.51
  6. Step 6: Final answer
    x = 61,208.87

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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.