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Finding the Fourth Proportional to 65,183.43, 97,609.76 and 54,625.69

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Solution

The fourth proportional to 65,183.43, 97,609.76 and 54,625.69 is: 81,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183.43 : 97,609.76 = 54,625.69 : x
  2. Step 2: Convert to fraction form
    65,183.43/97,609.76 = 54,625.69/x
  3. Step 3: Cross multiply
    65,183.43x = 97,609.76 × 54,625.69
  4. Step 4: Simplify right side
    65,183.43x = 5,332,000,544.46
  5. Step 5: Solve for x
    x = 5,332,000,544.46/65,183.43
  6. Step 6: Final answer
    x = 81,799.93

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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.