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Finding the Fourth Proportional to 183,958.29, 253,863.45 and 107,481.87

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Solution

The fourth proportional to 183,958.29, 253,863.45 and 107,481.87 is: 148,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,958.29 : 253,863.45 = 107,481.87 : x
  2. Step 2: Convert to fraction form
    183,958.29/253,863.45 = 107,481.87/x
  3. Step 3: Cross multiply
    183,958.29x = 253,863.45 × 107,481.87
  4. Step 4: Simplify right side
    183,958.29x = 27,285,718,330.65
  5. Step 5: Solve for x
    x = 27,285,718,330.65/183,958.29
  6. Step 6: Final answer
    x = 148,325.57

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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.