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Finding the Fourth Proportional to 192,677.80, 289,044.36 and 59,568.43

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Solution

The fourth proportional to 192,677.80, 289,044.36 and 59,568.43 is: 89,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,677.80 : 289,044.36 = 59,568.43 : x
  2. Step 2: Convert to fraction form
    192,677.80/289,044.36 = 59,568.43/x
  3. Step 3: Cross multiply
    192,677.80x = 289,044.36 × 59,568.43
  4. Step 4: Simplify right side
    192,677.80x = 17,217,918,725.55
  5. Step 5: Solve for x
    x = 17,217,918,725.55/192,677.80
  6. Step 6: Final answer
    x = 89,361.20

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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.