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Finding the Fourth Proportional to 192,134.73, 265,110.97 and 134,948.78

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Solution

The fourth proportional to 192,134.73, 265,110.97 and 134,948.78 is: 186,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,134.73 : 265,110.97 = 134,948.78 : x
  2. Step 2: Convert to fraction form
    192,134.73/265,110.97 = 134,948.78/x
  3. Step 3: Cross multiply
    192,134.73x = 265,110.97 × 134,948.78
  4. Step 4: Simplify right side
    192,134.73x = 35,776,401,269.09
  5. Step 5: Solve for x
    x = 35,776,401,269.09/192,134.73
  6. Step 6: Final answer
    x = 186,204.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.