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Finding the Fourth Proportional to 110,612.62, 165,974.31 and 50,640.98

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Solution

The fourth proportional to 110,612.62, 165,974.31 and 50,640.98 is: 75,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,612.62 : 165,974.31 = 50,640.98 : x
  2. Step 2: Convert to fraction form
    110,612.62/165,974.31 = 50,640.98/x
  3. Step 3: Cross multiply
    110,612.62x = 165,974.31 × 50,640.98
  4. Step 4: Simplify right side
    110,612.62x = 8,405,101,713.22
  5. Step 5: Solve for x
    x = 8,405,101,713.22/110,612.62
  6. Step 6: Final answer
    x = 75,986.82

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1.5x scale

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.