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Finding the Fourth Proportional to 264,513.67, 365,028.78 and 143,654.98

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Solution

The fourth proportional to 264,513.67, 365,028.78 and 143,654.98 is: 198,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,513.67 : 365,028.78 = 143,654.98 : x
  2. Step 2: Convert to fraction form
    264,513.67/365,028.78 = 143,654.98/x
  3. Step 3: Cross multiply
    264,513.67x = 365,028.78 × 143,654.98
  4. Step 4: Simplify right side
    264,513.67x = 52,438,202,090.32
  5. Step 5: Solve for x
    x = 52,438,202,090.32/264,513.67
  6. Step 6: Final answer
    x = 198,243.83

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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.