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Finding the Fourth Proportional to 164,471.58, 246,561.57 and 80,184.60

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Solution

The fourth proportional to 164,471.58, 246,561.57 and 80,184.60 is: 120,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,471.58 : 246,561.57 = 80,184.60 : x
  2. Step 2: Convert to fraction form
    164,471.58/246,561.57 = 80,184.60/x
  3. Step 3: Cross multiply
    164,471.58x = 246,561.57 × 80,184.60
  4. Step 4: Simplify right side
    164,471.58x = 19,770,440,865.82
  5. Step 5: Solve for x
    x = 19,770,440,865.82/164,471.58
  6. Step 6: Final answer
    x = 120,205.82

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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.