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Finding the Fourth Proportional to 169,822.88, 254,734.02 and 45,163.88

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Solution

The fourth proportional to 169,822.88, 254,734.02 and 45,163.88 is: 67,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,822.88 : 254,734.02 = 45,163.88 : x
  2. Step 2: Convert to fraction form
    169,822.88/254,734.02 = 45,163.88/x
  3. Step 3: Cross multiply
    169,822.88x = 254,734.02 × 45,163.88
  4. Step 4: Simplify right side
    169,822.88x = 11,504,776,711.20
  5. Step 5: Solve for x
    x = 11,504,776,711.20/169,822.88
  6. Step 6: Final answer
    x = 67,745.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.