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Finding the Fourth Proportional to 192,453.76, 265,564.48 and 107,568

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Solution

The fourth proportional to 192,453.76, 265,564.48 and 107,568 is: 148,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,453.76 : 265,564.48 = 107,568 : x
  2. Step 2: Convert to fraction form
    192,453.76/265,564.48 = 107,568/x
  3. Step 3: Cross multiply
    192,453.76x = 265,564.48 × 107,568
  4. Step 4: Simplify right side
    192,453.76x = 28,566,239,984.64
  5. Step 5: Solve for x
    x = 28,566,239,984.64/192,453.76
  6. Step 6: Final answer
    x = 148,431.71

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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.