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Finding the Fourth Proportional to 223,613.93, 335,493.26 and 65,843.21

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Solution

The fourth proportional to 223,613.93, 335,493.26 and 65,843.21 is: 98,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,613.93 : 335,493.26 = 65,843.21 : x
  2. Step 2: Convert to fraction form
    223,613.93/335,493.26 = 65,843.21/x
  3. Step 3: Cross multiply
    223,613.93x = 335,493.26 × 65,843.21
  4. Step 4: Simplify right side
    223,613.93x = 22,089,953,928.19
  5. Step 5: Solve for x
    x = 22,089,953,928.19/223,613.93
  6. Step 6: Final answer
    x = 98,786.13

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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.