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Finding the Fourth Proportional to 303,692.90, 455,144.22 and 123,568.41

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Solution

The fourth proportional to 303,692.90, 455,144.22 and 123,568.41 is: 185,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,692.90 : 455,144.22 = 123,568.41 : x
  2. Step 2: Convert to fraction form
    303,692.90/455,144.22 = 123,568.41/x
  3. Step 3: Cross multiply
    303,692.90x = 455,144.22 × 123,568.41
  4. Step 4: Simplify right side
    303,692.90x = 56,241,447,586.09
  5. Step 5: Solve for x
    x = 56,241,447,586.09/303,692.90
  6. Step 6: Final answer
    x = 185,191.84

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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.