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Finding the Fourth Proportional to 273,367.72, 377,238.90 and 160,265.80

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Solution

The fourth proportional to 273,367.72, 377,238.90 and 160,265.80 is: 221,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,367.72 : 377,238.90 = 160,265.80 : x
  2. Step 2: Convert to fraction form
    273,367.72/377,238.90 = 160,265.80/x
  3. Step 3: Cross multiply
    273,367.72x = 377,238.90 × 160,265.80
  4. Step 4: Simplify right side
    273,367.72x = 60,458,494,099.62
  5. Step 5: Solve for x
    x = 60,458,494,099.62/273,367.72
  6. Step 6: Final answer
    x = 221,161.79

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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.