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Finding the Fourth Proportional to 192,712.96, 289,096.68 and 59,604.88

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Solution

The fourth proportional to 192,712.96, 289,096.68 and 59,604.88 is: 89,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,712.96 : 289,096.68 = 59,604.88 : x
  2. Step 2: Convert to fraction form
    192,712.96/289,096.68 = 59,604.88/x
  3. Step 3: Cross multiply
    192,712.96x = 289,096.68 × 59,604.88
  4. Step 4: Simplify right side
    192,712.96x = 17,231,572,919.80
  5. Step 5: Solve for x
    x = 17,231,572,919.80/192,712.96
  6. Step 6: Final answer
    x = 89,415.75

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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.