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Finding the Fourth Proportional to 238,414.89, 357,640.80 and 67,633.73

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Solution

The fourth proportional to 238,414.89, 357,640.80 and 67,633.73 is: 101,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,414.89 : 357,640.80 = 67,633.73 : x
  2. Step 2: Convert to fraction form
    238,414.89/357,640.80 = 67,633.73/x
  3. Step 3: Cross multiply
    238,414.89x = 357,640.80 × 67,633.73
  4. Step 4: Simplify right side
    238,414.89x = 24,188,579,515.98
  5. Step 5: Solve for x
    x = 24,188,579,515.98/238,414.89
  6. Step 6: Final answer
    x = 101,455.83

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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.