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Finding the Fourth Proportional to 168,485.44, 252,553.20 and 68,602.72

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Solution

The fourth proportional to 168,485.44, 252,553.20 and 68,602.72 is: 102,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,485.44 : 252,553.20 = 68,602.72 : x
  2. Step 2: Convert to fraction form
    168,485.44/252,553.20 = 68,602.72/x
  3. Step 3: Cross multiply
    168,485.44x = 252,553.20 × 68,602.72
  4. Step 4: Simplify right side
    168,485.44x = 17,325,836,464.70
  5. Step 5: Solve for x
    x = 17,325,836,464.70/168,485.44
  6. Step 6: Final answer
    x = 102,832.84

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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.