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Finding the Fourth Proportional to 120,523.05, 180,800.51 and 44,611.34

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Solution

The fourth proportional to 120,523.05, 180,800.51 and 44,611.34 is: 66,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,523.05 : 180,800.51 = 44,611.34 : x
  2. Step 2: Convert to fraction form
    120,523.05/180,800.51 = 44,611.34/x
  3. Step 3: Cross multiply
    120,523.05x = 180,800.51 × 44,611.34
  4. Step 4: Simplify right side
    120,523.05x = 8,065,751,896.72
  5. Step 5: Solve for x
    x = 8,065,751,896.72/120,523.05
  6. Step 6: Final answer
    x = 66,922.90

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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.