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Finding the Fourth Proportional to 264,369.18, 364,906.44 and 161,040.72

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Solution

The fourth proportional to 264,369.18, 364,906.44 and 161,040.72 is: 222,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,369.18 : 364,906.44 = 161,040.72 : x
  2. Step 2: Convert to fraction form
    264,369.18/364,906.44 = 161,040.72/x
  3. Step 3: Cross multiply
    264,369.18x = 364,906.44 × 161,040.72
  4. Step 4: Simplify right side
    264,369.18x = 58,764,795,830.24
  5. Step 5: Solve for x
    x = 58,764,795,830.24/264,369.18
  6. Step 6: Final answer
    x = 222,283.08

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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.