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Finding the Fourth Proportional to 111,184.67, 166,797.73 and 39,144.89

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Solution

The fourth proportional to 111,184.67, 166,797.73 and 39,144.89 is: 58,724.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,184.67 : 166,797.73 = 39,144.89 : x
  2. Step 2: Convert to fraction form
    111,184.67/166,797.73 = 39,144.89/x
  3. Step 3: Cross multiply
    111,184.67x = 166,797.73 × 39,144.89
  4. Step 4: Simplify right side
    111,184.67x = 6,529,278,320.79
  5. Step 5: Solve for x
    x = 6,529,278,320.79/111,184.67
  6. Step 6: Final answer
    x = 58,724.63

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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.