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Finding the Fourth Proportional to 168,609, 252,928.08 and 43,950

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Solution

The fourth proportional to 168,609, 252,928.08 and 43,950 is: 65,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,609 : 252,928.08 = 43,950 : x
  2. Step 2: Convert to fraction form
    168,609/252,928.08 = 43,950/x
  3. Step 3: Cross multiply
    168,609x = 252,928.08 × 43,950
  4. Step 4: Simplify right side
    168,609x = 11,116,189,116
  5. Step 5: Solve for x
    x = 11,116,189,116/168,609
  6. Step 6: Final answer
    x = 65,928.80

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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.