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Finding the Fourth Proportional to 241,406.20, 361,878.90 and 188,068.60

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Solution

The fourth proportional to 241,406.20, 361,878.90 and 188,068.60 is: 281,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,406.20 : 361,878.90 = 188,068.60 : x
  2. Step 2: Convert to fraction form
    241,406.20/361,878.90 = 188,068.60/x
  3. Step 3: Cross multiply
    241,406.20x = 361,878.90 × 188,068.60
  4. Step 4: Simplify right side
    241,406.20x = 68,058,058,092.54
  5. Step 5: Solve for x
    x = 68,058,058,092.54/241,406.20
  6. Step 6: Final answer
    x = 281,923.41

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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.