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Finding the Fourth Proportional to 195,937.67, 294,037.65 and 71,278.67

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Solution

The fourth proportional to 195,937.67, 294,037.65 and 71,278.67 is: 106,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,937.67 : 294,037.65 = 71,278.67 : x
  2. Step 2: Convert to fraction form
    195,937.67/294,037.65 = 71,278.67/x
  3. Step 3: Cross multiply
    195,937.67x = 294,037.65 × 71,278.67
  4. Step 4: Simplify right side
    195,937.67x = 20,958,612,621.93
  5. Step 5: Solve for x
    x = 20,958,612,621.93/195,937.67
  6. Step 6: Final answer
    x = 106,965.71

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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.