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Finding the Fourth Proportional to 297,187.53, 410,118.77 and 169,865.85

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Solution

The fourth proportional to 297,187.53, 410,118.77 and 169,865.85 is: 234,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,187.53 : 410,118.77 = 169,865.85 : x
  2. Step 2: Convert to fraction form
    297,187.53/410,118.77 = 169,865.85/x
  3. Step 3: Cross multiply
    297,187.53x = 410,118.77 × 169,865.85
  4. Step 4: Simplify right side
    297,187.53x = 69,665,172,617.68
  5. Step 5: Solve for x
    x = 69,665,172,617.68/297,187.53
  6. Step 6: Final answer
    x = 234,414.86

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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.