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Finding the Fourth Proportional to 269,189.62, 403,785.99 and 69,496.37

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Solution

The fourth proportional to 269,189.62, 403,785.99 and 69,496.37 is: 104,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,189.62 : 403,785.99 = 69,496.37 : x
  2. Step 2: Convert to fraction form
    269,189.62/403,785.99 = 69,496.37/x
  3. Step 3: Cross multiply
    269,189.62x = 403,785.99 × 69,496.37
  4. Step 4: Simplify right side
    269,189.62x = 28,061,660,561.86
  5. Step 5: Solve for x
    x = 28,061,660,561.86/269,189.62
  6. Step 6: Final answer
    x = 104,244.96

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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.