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Finding the Fourth Proportional to 168,151.49, 252,161.62 and 73,410.65

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Solution

The fourth proportional to 168,151.49, 252,161.62 and 73,410.65 is: 110,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151.49 : 252,161.62 = 73,410.65 : x
  2. Step 2: Convert to fraction form
    168,151.49/252,161.62 = 73,410.65/x
  3. Step 3: Cross multiply
    168,151.49x = 252,161.62 × 73,410.65
  4. Step 4: Simplify right side
    168,151.49x = 18,511,348,429.25
  5. Step 5: Solve for x
    x = 18,511,348,429.25/168,151.49
  6. Step 6: Final answer
    x = 110,087.33

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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.