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Finding the Fourth Proportional to 192,513.92, 265,562.56 and 111,932.54

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Solution

The fourth proportional to 192,513.92, 265,562.56 and 111,932.54 is: 154,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,513.92 : 265,562.56 = 111,932.54 : x
  2. Step 2: Convert to fraction form
    192,513.92/265,562.56 = 111,932.54/x
  3. Step 3: Cross multiply
    192,513.92x = 265,562.56 × 111,932.54
  4. Step 4: Simplify right side
    192,513.92x = 29,725,090,615.96
  5. Step 5: Solve for x
    x = 29,725,090,615.96/192,513.92
  6. Step 6: Final answer
    x = 154,404.89

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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.