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Finding the Fourth Proportional to 170,861.67, 256,344.48 and 80,973.24

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Solution

The fourth proportional to 170,861.67, 256,344.48 and 80,973.24 is: 121,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,861.67 : 256,344.48 = 80,973.24 : x
  2. Step 2: Convert to fraction form
    170,861.67/256,344.48 = 80,973.24/x
  3. Step 3: Cross multiply
    170,861.67x = 256,344.48 × 80,973.24
  4. Step 4: Simplify right side
    170,861.67x = 20,757,043,101.72
  5. Step 5: Solve for x
    x = 20,757,043,101.72/170,861.67
  6. Step 6: Final answer
    x = 121,484.49

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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.