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Finding the Fourth Proportional to 100,170.86, 150,232.70 and 29,074.73

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Solution

The fourth proportional to 100,170.86, 150,232.70 and 29,074.73 is: 43,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,170.86 : 150,232.70 = 29,074.73 : x
  2. Step 2: Convert to fraction form
    100,170.86/150,232.70 = 29,074.73/x
  3. Step 3: Cross multiply
    100,170.86x = 150,232.70 × 29,074.73
  4. Step 4: Simplify right side
    100,170.86x = 4,367,974,511.19
  5. Step 5: Solve for x
    x = 4,367,974,511.19/100,170.86
  6. Step 6: Final answer
    x = 43,605.24

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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.