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Finding the Fourth Proportional to 193,864.37, 290,843.13 and 67,486.01

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Solution

The fourth proportional to 193,864.37, 290,843.13 and 67,486.01 is: 101,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,864.37 : 290,843.13 = 67,486.01 : x
  2. Step 2: Convert to fraction form
    193,864.37/290,843.13 = 67,486.01/x
  3. Step 3: Cross multiply
    193,864.37x = 290,843.13 × 67,486.01
  4. Step 4: Simplify right side
    193,864.37x = 19,627,842,379.61
  5. Step 5: Solve for x
    x = 19,627,842,379.61/193,864.37
  6. Step 6: Final answer
    x = 101,245.23

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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.