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Finding the Fourth Proportional to 141,797.94, 195,561.96 and 85,198.38

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Solution

The fourth proportional to 141,797.94, 195,561.96 and 85,198.38 is: 117,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,797.94 : 195,561.96 = 85,198.38 : x
  2. Step 2: Convert to fraction form
    141,797.94/195,561.96 = 85,198.38/x
  3. Step 3: Cross multiply
    141,797.94x = 195,561.96 × 85,198.38
  4. Step 4: Simplify right side
    141,797.94x = 16,661,562,181.62
  5. Step 5: Solve for x
    x = 16,661,562,181.62/141,797.94
  6. Step 6: Final answer
    x = 117,502.15

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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.