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Finding the Fourth Proportional to 171,697.80, 257,546.70 and 162,949.80

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Solution

The fourth proportional to 171,697.80, 257,546.70 and 162,949.80 is: 244,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,697.80 : 257,546.70 = 162,949.80 : x
  2. Step 2: Convert to fraction form
    171,697.80/257,546.70 = 162,949.80/x
  3. Step 3: Cross multiply
    171,697.80x = 257,546.70 × 162,949.80
  4. Step 4: Simplify right side
    171,697.80x = 41,967,183,255.66
  5. Step 5: Solve for x
    x = 41,967,183,255.66/171,697.80
  6. Step 6: Final answer
    x = 244,424.70

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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.