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Finding the Fourth Proportional to 197,511.98, 296,267.49 and 66,183.98

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Solution

The fourth proportional to 197,511.98, 296,267.49 and 66,183.98 is: 99,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,511.98 : 296,267.49 = 66,183.98 : x
  2. Step 2: Convert to fraction form
    197,511.98/296,267.49 = 66,183.98/x
  3. Step 3: Cross multiply
    197,511.98x = 296,267.49 × 66,183.98
  4. Step 4: Simplify right side
    197,511.98x = 19,608,161,632.81
  5. Step 5: Solve for x
    x = 19,608,161,632.81/197,511.98
  6. Step 6: Final answer
    x = 99,275.81

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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.