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Finding the Fourth Proportional to 192,781.89, 289,186.35 and 59,644.62

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Solution

The fourth proportional to 192,781.89, 289,186.35 and 59,644.62 is: 89,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,781.89 : 289,186.35 = 59,644.62 : x
  2. Step 2: Convert to fraction form
    192,781.89/289,186.35 = 59,644.62/x
  3. Step 3: Cross multiply
    192,781.89x = 289,186.35 × 59,644.62
  4. Step 4: Simplify right side
    192,781.89x = 17,248,409,954.94
  5. Step 5: Solve for x
    x = 17,248,409,954.94/192,781.89
  6. Step 6: Final answer
    x = 89,471.11

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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.