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Finding the Fourth Proportional to 164,540.80, 246,616.80 and 69,770.80

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Solution

The fourth proportional to 164,540.80, 246,616.80 and 69,770.80 is: 104,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,540.80 : 246,616.80 = 69,770.80 : x
  2. Step 2: Convert to fraction form
    164,540.80/246,616.80 = 69,770.80/x
  3. Step 3: Cross multiply
    164,540.80x = 246,616.80 × 69,770.80
  4. Step 4: Simplify right side
    164,540.80x = 17,206,651,429.44
  5. Step 5: Solve for x
    x = 17,206,651,429.44/164,540.80
  6. Step 6: Final answer
    x = 104,573.77

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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.