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Finding the Fourth Proportional to 36,378,912.60, 54,568,368.90 and 36,378,912.60

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Solution

The fourth proportional to 36,378,912.60, 54,568,368.90 and 36,378,912.60 is: 54,568,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378,912.60 : 54,568,368.90 = 36,378,912.60 : x
  2. Step 2: Convert to fraction form
    36,378,912.60/54,568,368.90 = 36,378,912.60/x
  3. Step 3: Cross multiply
    36,378,912.60x = 54,568,368.90 × 36,378,912.60
  4. Step 4: Simplify right side
    36,378,912.60x = 1,985,137,922,937,658.25
  5. Step 5: Solve for x
    x = 1,985,137,922,937,658.25/36,378,912.60
  6. Step 6: Final answer
    x = 54,568,368.90

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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.