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Finding the Fourth Proportional to 192,388.62, 265,495.48 and 107,505.69

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Solution

The fourth proportional to 192,388.62, 265,495.48 and 107,505.69 is: 148,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,388.62 : 265,495.48 = 107,505.69 : x
  2. Step 2: Convert to fraction form
    192,388.62/265,495.48 = 107,505.69/x
  3. Step 3: Cross multiply
    192,388.62x = 265,495.48 × 107,505.69
  4. Step 4: Simplify right side
    192,388.62x = 28,542,274,769.28
  5. Step 5: Solve for x
    x = 28,542,274,769.28/192,388.62
  6. Step 6: Final answer
    x = 148,357.40

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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.