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Finding the Fourth Proportional to 171,847.94, 257,960.46 and 136,536.20

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Solution

The fourth proportional to 171,847.94, 257,960.46 and 136,536.20 is: 204,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,847.94 : 257,960.46 = 136,536.20 : x
  2. Step 2: Convert to fraction form
    171,847.94/257,960.46 = 136,536.20/x
  3. Step 3: Cross multiply
    171,847.94x = 257,960.46 × 136,536.20
  4. Step 4: Simplify right side
    171,847.94x = 35,220,940,958.65
  5. Step 5: Solve for x
    x = 35,220,940,958.65/171,847.94
  6. Step 6: Final answer
    x = 204,954.11

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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.