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Finding the Fourth Proportional to 263,115.88, 363,094.50 and 143,883.88

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Solution

The fourth proportional to 263,115.88, 363,094.50 and 143,883.88 is: 198,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,115.88 : 363,094.50 = 143,883.88 : x
  2. Step 2: Convert to fraction form
    263,115.88/363,094.50 = 143,883.88/x
  3. Step 3: Cross multiply
    263,115.88x = 363,094.50 × 143,883.88
  4. Step 4: Simplify right side
    263,115.88x = 52,243,445,466.66
  5. Step 5: Solve for x
    x = 52,243,445,466.66/263,115.88
  6. Step 6: Final answer
    x = 198,556.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.