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Finding the Fourth Proportional to 193,846.40, 290,769.60 and 179,849.60

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Solution

The fourth proportional to 193,846.40, 290,769.60 and 179,849.60 is: 269,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,846.40 : 290,769.60 = 179,849.60 : x
  2. Step 2: Convert to fraction form
    193,846.40/290,769.60 = 179,849.60/x
  3. Step 3: Cross multiply
    193,846.40x = 290,769.60 × 179,849.60
  4. Step 4: Simplify right side
    193,846.40x = 52,294,796,252.16
  5. Step 5: Solve for x
    x = 52,294,796,252.16/193,846.40
  6. Step 6: Final answer
    x = 269,774.40

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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.