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Finding the Fourth Proportional to 192,779.73, 289,183.11 and 59,642.46

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Solution

The fourth proportional to 192,779.73, 289,183.11 and 59,642.46 is: 89,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,779.73 : 289,183.11 = 59,642.46 : x
  2. Step 2: Convert to fraction form
    192,779.73/289,183.11 = 59,642.46/x
  3. Step 3: Cross multiply
    192,779.73x = 289,183.11 × 59,642.46
  4. Step 4: Simplify right side
    192,779.73x = 17,247,592,182.68
  5. Step 5: Solve for x
    x = 17,247,592,182.68/192,779.73
  6. Step 6: Final answer
    x = 89,467.87

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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.