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Finding the Fourth Proportional to 74,493.60, 111,745.80 and 44,847.60

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Solution

The fourth proportional to 74,493.60, 111,745.80 and 44,847.60 is: 67,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493.60 : 111,745.80 = 44,847.60 : x
  2. Step 2: Convert to fraction form
    74,493.60/111,745.80 = 44,847.60/x
  3. Step 3: Cross multiply
    74,493.60x = 111,745.80 × 44,847.60
  4. Step 4: Simplify right side
    74,493.60x = 5,011,530,940.08
  5. Step 5: Solve for x
    x = 5,011,530,940.08/74,493.60
  6. Step 6: Final answer
    x = 67,274.65

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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.