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Finding the Fourth Proportional to 79,749.69, 119,624.53 and 23,585.42

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Solution

The fourth proportional to 79,749.69, 119,624.53 and 23,585.42 is: 35,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,749.69 : 119,624.53 = 23,585.42 : x
  2. Step 2: Convert to fraction form
    79,749.69/119,624.53 = 23,585.42/x
  3. Step 3: Cross multiply
    79,749.69x = 119,624.53 × 23,585.42
  4. Step 4: Simplify right side
    79,749.69x = 2,821,394,782.35
  5. Step 5: Solve for x
    x = 2,821,394,782.35/79,749.69
  6. Step 6: Final answer
    x = 35,378.13

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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.