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Finding the Fourth Proportional to 119,238, 164,548.44 and 68,940.24

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Solution

The fourth proportional to 119,238, 164,548.44 and 68,940.24 is: 95,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,238 : 164,548.44 = 68,940.24 : x
  2. Step 2: Convert to fraction form
    119,238/164,548.44 = 68,940.24/x
  3. Step 3: Cross multiply
    119,238x = 164,548.44 × 68,940.24
  4. Step 4: Simplify right side
    119,238x = 11,344,008,945.23
  5. Step 5: Solve for x
    x = 11,344,008,945.23/119,238
  6. Step 6: Final answer
    x = 95,137.53

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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.