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Finding the Fourth Proportional to 367,481.80, 551,190.30 and 101,218.60

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Solution

The fourth proportional to 367,481.80, 551,190.30 and 101,218.60 is: 151,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,481.80 : 551,190.30 = 101,218.60 : x
  2. Step 2: Convert to fraction form
    367,481.80/551,190.30 = 101,218.60/x
  3. Step 3: Cross multiply
    367,481.80x = 551,190.30 × 101,218.60
  4. Step 4: Simplify right side
    367,481.80x = 55,790,710,499.58
  5. Step 5: Solve for x
    x = 55,790,710,499.58/367,481.80
  6. Step 6: Final answer
    x = 151,818.98

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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.