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Finding the Fourth Proportional to 146,911.56, 202,737.24 and 79,843.56

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Solution

The fourth proportional to 146,911.56, 202,737.24 and 79,843.56 is: 110,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,911.56 : 202,737.24 = 79,843.56 : x
  2. Step 2: Convert to fraction form
    146,911.56/202,737.24 = 79,843.56/x
  3. Step 3: Cross multiply
    146,911.56x = 202,737.24 × 79,843.56
  4. Step 4: Simplify right side
    146,911.56x = 16,187,262,986.17
  5. Step 5: Solve for x
    x = 16,187,262,986.17/146,911.56
  6. Step 6: Final answer
    x = 110,183.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.