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Finding the Fourth Proportional to 221,939,704.80, 332,930,552.40 and 60,381,640.80

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Solution

The fourth proportional to 221,939,704.80, 332,930,552.40 and 60,381,640.80 is: 90,578,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,939,704.80 : 332,930,552.40 = 60,381,640.80 : x
  2. Step 2: Convert to fraction form
    221,939,704.80/332,930,552.40 = 60,381,640.80/x
  3. Step 3: Cross multiply
    221,939,704.80x = 332,930,552.40 × 60,381,640.80
  4. Step 4: Simplify right side
    221,939,704.80x = 20,102,893,026,362,376
  5. Step 5: Solve for x
    x = 20,102,893,026,362,376/221,939,704.80
  6. Step 6: Final answer
    x = 90,578,173.22

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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.