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Finding the Fourth Proportional to 192,654.78, 265,852.90 and 107,755.44

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Solution

The fourth proportional to 192,654.78, 265,852.90 and 107,755.44 is: 148,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,654.78 : 265,852.90 = 107,755.44 : x
  2. Step 2: Convert to fraction form
    192,654.78/265,852.90 = 107,755.44/x
  3. Step 3: Cross multiply
    192,654.78x = 265,852.90 × 107,755.44
  4. Step 4: Simplify right side
    192,654.78x = 28,647,096,214.78
  5. Step 5: Solve for x
    x = 28,647,096,214.78/192,654.78
  6. Step 6: Final answer
    x = 148,696.52

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1.5x scale

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.