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Finding the Fourth Proportional to 69,169.55, 95,494.68 and 65,183.81

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Solution

The fourth proportional to 69,169.55, 95,494.68 and 65,183.81 is: 89,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,169.55 : 95,494.68 = 65,183.81 : x
  2. Step 2: Convert to fraction form
    69,169.55/95,494.68 = 65,183.81/x
  3. Step 3: Cross multiply
    69,169.55x = 95,494.68 × 65,183.81
  4. Step 4: Simplify right side
    69,169.55x = 6,224,706,599.66
  5. Step 5: Solve for x
    x = 6,224,706,599.66/69,169.55
  6. Step 6: Final answer
    x = 89,992.01

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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.