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Finding the Fourth Proportional to 263,351.80, 395,027.70 and 158,116.60

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Solution

The fourth proportional to 263,351.80, 395,027.70 and 158,116.60 is: 237,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,351.80 : 395,027.70 = 158,116.60 : x
  2. Step 2: Convert to fraction form
    263,351.80/395,027.70 = 158,116.60/x
  3. Step 3: Cross multiply
    263,351.80x = 395,027.70 × 158,116.60
  4. Step 4: Simplify right side
    263,351.80x = 62,460,436,829.82
  5. Step 5: Solve for x
    x = 62,460,436,829.82/263,351.80
  6. Step 6: Final answer
    x = 237,174.90

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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.