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Finding the Fourth Proportional to 193,347.78, 290,009.97 and 114,960.84

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Solution

The fourth proportional to 193,347.78, 290,009.97 and 114,960.84 is: 172,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,347.78 : 290,009.97 = 114,960.84 : x
  2. Step 2: Convert to fraction form
    193,347.78/290,009.97 = 114,960.84/x
  3. Step 3: Cross multiply
    193,347.78x = 290,009.97 × 114,960.84
  4. Step 4: Simplify right side
    193,347.78x = 33,339,789,759.57
  5. Step 5: Solve for x
    x = 33,339,789,759.57/193,347.78
  6. Step 6: Final answer
    x = 172,434.30

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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.