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Finding the Fourth Proportional to 329,565.60, 494,319.60 and 107,949.60

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Solution

The fourth proportional to 329,565.60, 494,319.60 and 107,949.60 is: 161,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,565.60 : 494,319.60 = 107,949.60 : x
  2. Step 2: Convert to fraction form
    329,565.60/494,319.60 = 107,949.60/x
  3. Step 3: Cross multiply
    329,565.60x = 494,319.60 × 107,949.60
  4. Step 4: Simplify right side
    329,565.60x = 53,361,603,092.16
  5. Step 5: Solve for x
    x = 53,361,603,092.16/329,565.60
  6. Step 6: Final answer
    x = 161,914.97

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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.