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Finding the Fourth Proportional to 133,074.40, 199,611.60 and 123,014.20

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Solution

The fourth proportional to 133,074.40, 199,611.60 and 123,014.20 is: 184,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.40 : 199,611.60 = 123,014.20 : x
  2. Step 2: Convert to fraction form
    133,074.40/199,611.60 = 123,014.20/x
  3. Step 3: Cross multiply
    133,074.40x = 199,611.60 × 123,014.20
  4. Step 4: Simplify right side
    133,074.40x = 24,555,061,284.72
  5. Step 5: Solve for x
    x = 24,555,061,284.72/133,074.40
  6. Step 6: Final answer
    x = 184,521.30

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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.