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Finding the Fourth Proportional to 192,968.48, 288,954.24 and 133,181.48

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Solution

The fourth proportional to 192,968.48, 288,954.24 and 133,181.48 is: 199,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,968.48 : 288,954.24 = 133,181.48 : x
  2. Step 2: Convert to fraction form
    192,968.48/288,954.24 = 133,181.48/x
  3. Step 3: Cross multiply
    192,968.48x = 288,954.24 × 133,181.48
  4. Step 4: Simplify right side
    192,968.48x = 38,483,353,335.48
  5. Step 5: Solve for x
    x = 38,483,353,335.48/192,968.48
  6. Step 6: Final answer
    x = 199,428.18

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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.