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Finding the Fourth Proportional to 168,009.75, 252,019.49 and 43,350.75

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Solution

The fourth proportional to 168,009.75, 252,019.49 and 43,350.75 is: 65,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,009.75 : 252,019.49 = 43,350.75 : x
  2. Step 2: Convert to fraction form
    168,009.75/252,019.49 = 43,350.75/x
  3. Step 3: Cross multiply
    168,009.75x = 252,019.49 × 43,350.75
  4. Step 4: Simplify right side
    168,009.75x = 10,925,233,906.12
  5. Step 5: Solve for x
    x = 10,925,233,906.12/168,009.75
  6. Step 6: Final answer
    x = 65,027.38

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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.