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Finding the Fourth Proportional to 48,745.70, 73,118.55 and 44,225.90

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Solution

The fourth proportional to 48,745.70, 73,118.55 and 44,225.90 is: 66,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.70 : 73,118.55 = 44,225.90 : x
  2. Step 2: Convert to fraction form
    48,745.70/73,118.55 = 44,225.90/x
  3. Step 3: Cross multiply
    48,745.70x = 73,118.55 × 44,225.90
  4. Step 4: Simplify right side
    48,745.70x = 3,233,733,680.45
  5. Step 5: Solve for x
    x = 3,233,733,680.45/48,745.70
  6. Step 6: Final answer
    x = 66,338.85

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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.