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Finding the Fourth Proportional to 362,692.20, 543,843.90 and 152,092.20

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Solution

The fourth proportional to 362,692.20, 543,843.90 and 152,092.20 is: 228,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,692.20 : 543,843.90 = 152,092.20 : x
  2. Step 2: Convert to fraction form
    362,692.20/543,843.90 = 152,092.20/x
  3. Step 3: Cross multiply
    362,692.20x = 543,843.90 × 152,092.20
  4. Step 4: Simplify right side
    362,692.20x = 82,714,415,207.58
  5. Step 5: Solve for x
    x = 82,714,415,207.58/362,692.20
  6. Step 6: Final answer
    x = 228,056.78

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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.