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Finding the Fourth Proportional to 168,093.44, 252,134.64 and 68,251.16

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Solution

The fourth proportional to 168,093.44, 252,134.64 and 68,251.16 is: 102,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,093.44 : 252,134.64 = 68,251.16 : x
  2. Step 2: Convert to fraction form
    168,093.44/252,134.64 = 68,251.16/x
  3. Step 3: Cross multiply
    168,093.44x = 252,134.64 × 68,251.16
  4. Step 4: Simplify right side
    168,093.44x = 17,208,481,656.18
  5. Step 5: Solve for x
    x = 17,208,481,656.18/168,093.44
  6. Step 6: Final answer
    x = 102,374.50

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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.