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Finding the Fourth Proportional to 267,074.16, 400,611.24 and 80,085.84

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Solution

The fourth proportional to 267,074.16, 400,611.24 and 80,085.84 is: 120,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,074.16 : 400,611.24 = 80,085.84 : x
  2. Step 2: Convert to fraction form
    267,074.16/400,611.24 = 80,085.84/x
  3. Step 3: Cross multiply
    267,074.16x = 400,611.24 × 80,085.84
  4. Step 4: Simplify right side
    267,074.16x = 32,083,287,668.84
  5. Step 5: Solve for x
    x = 32,083,287,668.84/267,074.16
  6. Step 6: Final answer
    x = 120,128.76

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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.