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Finding the Fourth Proportional to 106,162.68, 159,278.58 and 50,763

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Solution

The fourth proportional to 106,162.68, 159,278.58 and 50,763 is: 76,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,162.68 : 159,278.58 = 50,763 : x
  2. Step 2: Convert to fraction form
    106,162.68/159,278.58 = 50,763/x
  3. Step 3: Cross multiply
    106,162.68x = 159,278.58 × 50,763
  4. Step 4: Simplify right side
    106,162.68x = 8,085,458,556.54
  5. Step 5: Solve for x
    x = 8,085,458,556.54/106,162.68
  6. Step 6: Final answer
    x = 76,161.03

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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.