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Finding the Fourth Proportional to 201,692.70, 302,539.05 and 179,919.90

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Solution

The fourth proportional to 201,692.70, 302,539.05 and 179,919.90 is: 269,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,692.70 : 302,539.05 = 179,919.90 : x
  2. Step 2: Convert to fraction form
    201,692.70/302,539.05 = 179,919.90/x
  3. Step 3: Cross multiply
    201,692.70x = 302,539.05 × 179,919.90
  4. Step 4: Simplify right side
    201,692.70x = 54,432,795,622.10
  5. Step 5: Solve for x
    x = 54,432,795,622.10/201,692.70
  6. Step 6: Final answer
    x = 269,879.85

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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.