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Finding the Fourth Proportional to 110,626.72, 152,743.44 and 68,198.56

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Solution

The fourth proportional to 110,626.72, 152,743.44 and 68,198.56 is: 94,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,626.72 : 152,743.44 = 68,198.56 : x
  2. Step 2: Convert to fraction form
    110,626.72/152,743.44 = 68,198.56/x
  3. Step 3: Cross multiply
    110,626.72x = 152,743.44 × 68,198.56
  4. Step 4: Simplify right side
    110,626.72x = 10,416,882,657.45
  5. Step 5: Solve for x
    x = 10,416,882,657.45/110,626.72
  6. Step 6: Final answer
    x = 94,162.45

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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.