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Finding the Fourth Proportional to 439,092, 658,639.62 and 106,668

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Solution

The fourth proportional to 439,092, 658,639.62 and 106,668 is: 160,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,092 : 658,639.62 = 106,668 : x
  2. Step 2: Convert to fraction form
    439,092/658,639.62 = 106,668/x
  3. Step 3: Cross multiply
    439,092x = 658,639.62 × 106,668
  4. Step 4: Simplify right side
    439,092x = 70,255,770,986.16
  5. Step 5: Solve for x
    x = 70,255,770,986.16/439,092
  6. Step 6: Final answer
    x = 160,002.39

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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.