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Finding the Fourth Proportional to 303,556.98, 418,887 and 167,568.96

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Solution

The fourth proportional to 303,556.98, 418,887 and 167,568.96 is: 231,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,556.98 : 418,887 = 167,568.96 : x
  2. Step 2: Convert to fraction form
    303,556.98/418,887 = 167,568.96/x
  3. Step 3: Cross multiply
    303,556.98x = 418,887 × 167,568.96
  4. Step 4: Simplify right side
    303,556.98x = 70,192,458,947.52
  5. Step 5: Solve for x
    x = 70,192,458,947.52/303,556.98
  6. Step 6: Final answer
    x = 231,233.22

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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.