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Finding the Fourth Proportional to 168,514.36, 252,770.74 and 43,855.16

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Solution

The fourth proportional to 168,514.36, 252,770.74 and 43,855.16 is: 65,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,514.36 : 252,770.74 = 43,855.16 : x
  2. Step 2: Convert to fraction form
    168,514.36/252,770.74 = 43,855.16/x
  3. Step 3: Cross multiply
    168,514.36x = 252,770.74 × 43,855.16
  4. Step 4: Simplify right side
    168,514.36x = 11,085,301,246.02
  5. Step 5: Solve for x
    x = 11,085,301,246.02/168,514.36
  6. Step 6: Final answer
    x = 65,782.53

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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.