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Finding the Fourth Proportional to 366,692.60, 550,136.10 and 130,010.60

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Solution

The fourth proportional to 366,692.60, 550,136.10 and 130,010.60 is: 195,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,692.60 : 550,136.10 = 130,010.60 : x
  2. Step 2: Convert to fraction form
    366,692.60/550,136.10 = 130,010.60/x
  3. Step 3: Cross multiply
    366,692.60x = 550,136.10 × 130,010.60
  4. Step 4: Simplify right side
    366,692.60x = 71,523,524,442.66
  5. Step 5: Solve for x
    x = 71,523,524,442.66/366,692.60
  6. Step 6: Final answer
    x = 195,050.36

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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.