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Finding the Fourth Proportional to 46,978,366.80, 70,467,550.20 and 33,373,477.20

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Solution

The fourth proportional to 46,978,366.80, 70,467,550.20 and 33,373,477.20 is: 50,060,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,978,366.80 : 70,467,550.20 = 33,373,477.20 : x
  2. Step 2: Convert to fraction form
    46,978,366.80/70,467,550.20 = 33,373,477.20/x
  3. Step 3: Cross multiply
    46,978,366.80x = 70,467,550.20 × 33,373,477.20
  4. Step 4: Simplify right side
    46,978,366.80x = 2,351,747,179,939,555.50
  5. Step 5: Solve for x
    x = 2,351,747,179,939,555.50/46,978,366.80
  6. Step 6: Final answer
    x = 50,060,215.80

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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.