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Finding the Fourth Proportional to 74,099.70, 111,153.09 and 24,179.70

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Solution

The fourth proportional to 74,099.70, 111,153.09 and 24,179.70 is: 36,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,099.70 : 111,153.09 = 24,179.70 : x
  2. Step 2: Convert to fraction form
    74,099.70/111,153.09 = 24,179.70/x
  3. Step 3: Cross multiply
    74,099.70x = 111,153.09 × 24,179.70
  4. Step 4: Simplify right side
    74,099.70x = 2,687,648,370.27
  5. Step 5: Solve for x
    x = 2,687,648,370.27/74,099.70
  6. Step 6: Final answer
    x = 36,270.71

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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.