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Finding the Fourth Proportional to 192,678.30, 289,045.11 and 59,568.93

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Solution

The fourth proportional to 192,678.30, 289,045.11 and 59,568.93 is: 89,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,678.30 : 289,045.11 = 59,568.93 : x
  2. Step 2: Convert to fraction form
    192,678.30/289,045.11 = 59,568.93/x
  3. Step 3: Cross multiply
    192,678.30x = 289,045.11 × 59,568.93
  4. Step 4: Simplify right side
    192,678.30x = 17,218,107,924.43
  5. Step 5: Solve for x
    x = 17,218,107,924.43/192,678.30
  6. Step 6: Final answer
    x = 89,361.95

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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.