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Finding the Fourth Proportional to 67,205.34, 100,741.88 and 32,136.78

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Solution

The fourth proportional to 67,205.34, 100,741.88 and 32,136.78 is: 48,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,205.34 : 100,741.88 = 32,136.78 : x
  2. Step 2: Convert to fraction form
    67,205.34/100,741.88 = 32,136.78/x
  3. Step 3: Cross multiply
    67,205.34x = 100,741.88 × 32,136.78
  4. Step 4: Simplify right side
    67,205.34x = 3,237,519,634.35
  5. Step 5: Solve for x
    x = 3,237,519,634.35/67,205.34
  6. Step 6: Final answer
    x = 48,173.55

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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.