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Finding the Fourth Proportional to 120,692.67, 181,040.34 and 36,453.55

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Solution

The fourth proportional to 120,692.67, 181,040.34 and 36,453.55 is: 54,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,692.67 : 181,040.34 = 36,453.55 : x
  2. Step 2: Convert to fraction form
    120,692.67/181,040.34 = 36,453.55/x
  3. Step 3: Cross multiply
    120,692.67x = 181,040.34 × 36,453.55
  4. Step 4: Simplify right side
    120,692.67x = 6,599,562,903.94
  5. Step 5: Solve for x
    x = 6,599,562,903.94/120,692.67
  6. Step 6: Final answer
    x = 54,680.73

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1.5x scale

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.