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Finding the Fourth Proportional to 168,474.92, 252,563.46 and 68,718.56

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Solution

The fourth proportional to 168,474.92, 252,563.46 and 68,718.56 is: 103,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,474.92 : 252,563.46 = 68,718.56 : x
  2. Step 2: Convert to fraction form
    168,474.92/252,563.46 = 68,718.56/x
  3. Step 3: Cross multiply
    168,474.92x = 252,563.46 × 68,718.56
  4. Step 4: Simplify right side
    168,474.92x = 17,355,797,279.82
  5. Step 5: Solve for x
    x = 17,355,797,279.82/168,474.92
  6. Step 6: Final answer
    x = 103,017.10

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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.