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Finding the Fourth Proportional to 269,249.16, 403,842.31 and 69,553.89

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Solution

The fourth proportional to 269,249.16, 403,842.31 and 69,553.89 is: 104,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,249.16 : 403,842.31 = 69,553.89 : x
  2. Step 2: Convert to fraction form
    269,249.16/403,842.31 = 69,553.89/x
  3. Step 3: Cross multiply
    269,249.16x = 403,842.31 × 69,553.89
  4. Step 4: Simplify right side
    269,249.16x = 28,088,803,433.20
  5. Step 5: Solve for x
    x = 28,088,803,433.20/269,249.16
  6. Step 6: Final answer
    x = 104,322.71

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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.