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Finding the Fourth Proportional to 170,859.44, 256,313.64 and 52,540.67

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Solution

The fourth proportional to 170,859.44, 256,313.64 and 52,540.67 is: 78,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,859.44 : 256,313.64 = 52,540.67 : x
  2. Step 2: Convert to fraction form
    170,859.44/256,313.64 = 52,540.67/x
  3. Step 3: Cross multiply
    170,859.44x = 256,313.64 × 52,540.67
  4. Step 4: Simplify right side
    170,859.44x = 13,466,890,375.74
  5. Step 5: Solve for x
    x = 13,466,890,375.74/170,859.44
  6. Step 6: Final answer
    x = 78,818.53

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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.