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Finding the Fourth Proportional to 69,168.84, 95,493.68 and 65,183.04

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Solution

The fourth proportional to 69,168.84, 95,493.68 and 65,183.04 is: 89,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,168.84 : 95,493.68 = 65,183.04 : x
  2. Step 2: Convert to fraction form
    69,168.84/95,493.68 = 65,183.04/x
  3. Step 3: Cross multiply
    69,168.84x = 95,493.68 × 65,183.04
  4. Step 4: Simplify right side
    69,168.84x = 6,224,568,363.19
  5. Step 5: Solve for x
    x = 6,224,568,363.19/69,168.84
  6. Step 6: Final answer
    x = 89,990.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.