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Finding the Fourth Proportional to 50,138.89, 75,161.22 and 16,835.59

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Solution

The fourth proportional to 50,138.89, 75,161.22 and 16,835.59 is: 25,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.89 : 75,161.22 = 16,835.59 : x
  2. Step 2: Convert to fraction form
    50,138.89/75,161.22 = 16,835.59/x
  3. Step 3: Cross multiply
    50,138.89x = 75,161.22 × 16,835.59
  4. Step 4: Simplify right side
    50,138.89x = 1,265,383,483.82
  5. Step 5: Solve for x
    x = 1,265,383,483.82/50,138.89
  6. Step 6: Final answer
    x = 25,237.57

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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.