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Finding the Fourth Proportional to 50,425,865.15, 75,638,797.73 and 50,425,865.15

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Solution

The fourth proportional to 50,425,865.15, 75,638,797.73 and 50,425,865.15 is: 75,638,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,425,865.15 : 75,638,797.73 = 50,425,865.15 : x
  2. Step 2: Convert to fraction form
    50,425,865.15/75,638,797.73 = 50,425,865.15/x
  3. Step 3: Cross multiply
    50,425,865.15x = 75,638,797.73 × 50,425,865.15
  4. Step 4: Simplify right side
    50,425,865.15x = 3,814,151,814,188,976.50
  5. Step 5: Solve for x
    x = 3,814,151,814,188,976.50/50,425,865.15
  6. Step 6: Final answer
    x = 75,638,797.73

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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.