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Finding the Fourth Proportional to 186,556.39, 279,882.88 and 53,446.46

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Solution

The fourth proportional to 186,556.39, 279,882.88 and 53,446.46 is: 80,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,556.39 : 279,882.88 = 53,446.46 : x
  2. Step 2: Convert to fraction form
    186,556.39/279,882.88 = 53,446.46/x
  3. Step 3: Cross multiply
    186,556.39x = 279,882.88 × 53,446.46
  4. Step 4: Simplify right side
    186,556.39x = 14,958,747,617.57
  5. Step 5: Solve for x
    x = 14,958,747,617.57/186,556.39
  6. Step 6: Final answer
    x = 80,183.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.