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Finding the Fourth Proportional to 192,708.69, 289,048.46 and 59,589.78

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Solution

The fourth proportional to 192,708.69, 289,048.46 and 59,589.78 is: 89,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,708.69 : 289,048.46 = 59,589.78 : x
  2. Step 2: Convert to fraction form
    192,708.69/289,048.46 = 59,589.78/x
  3. Step 3: Cross multiply
    192,708.69x = 289,048.46 × 59,589.78
  4. Step 4: Simplify right side
    192,708.69x = 17,224,333,842.79
  5. Step 5: Solve for x
    x = 17,224,333,842.79/192,708.69
  6. Step 6: Final answer
    x = 89,380.16

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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.