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Finding the Fourth Proportional to 194,115.56, 291,170.76 and 67,755.56

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Solution

The fourth proportional to 194,115.56, 291,170.76 and 67,755.56 is: 101,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,115.56 : 291,170.76 = 67,755.56 : x
  2. Step 2: Convert to fraction form
    194,115.56/291,170.76 = 67,755.56/x
  3. Step 3: Cross multiply
    194,115.56x = 291,170.76 × 67,755.56
  4. Step 4: Simplify right side
    194,115.56x = 19,728,437,899.43
  5. Step 5: Solve for x
    x = 19,728,437,899.43/194,115.56
  6. Step 6: Final answer
    x = 101,632.44

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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.