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Finding the Fourth Proportional to 193,937.51, 290,937.24 and 67,614.09

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Solution

The fourth proportional to 193,937.51, 290,937.24 and 67,614.09 is: 101,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,937.51 : 290,937.24 = 67,614.09 : x
  2. Step 2: Convert to fraction form
    193,937.51/290,937.24 = 67,614.09/x
  3. Step 3: Cross multiply
    193,937.51x = 290,937.24 × 67,614.09
  4. Step 4: Simplify right side
    193,937.51x = 19,671,456,729.71
  5. Step 5: Solve for x
    x = 19,671,456,729.71/193,937.51
  6. Step 6: Final answer
    x = 101,431.94

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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.