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Finding the Fourth Proportional to 119,163.78, 164,454.84 and 73,850.67

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Solution

The fourth proportional to 119,163.78, 164,454.84 and 73,850.67 is: 101,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,163.78 : 164,454.84 = 73,850.67 : x
  2. Step 2: Convert to fraction form
    119,163.78/164,454.84 = 73,850.67/x
  3. Step 3: Cross multiply
    119,163.78x = 164,454.84 × 73,850.67
  4. Step 4: Simplify right side
    119,163.78x = 12,145,100,118.74
  5. Step 5: Solve for x
    x = 12,145,100,118.74/119,163.78
  6. Step 6: Final answer
    x = 101,919.39

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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.