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Finding the Fourth Proportional to 259,149.48, 387,846.36 and 159,372.96

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Solution

The fourth proportional to 259,149.48, 387,846.36 and 159,372.96 is: 238,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,149.48 : 387,846.36 = 159,372.96 : x
  2. Step 2: Convert to fraction form
    259,149.48/387,846.36 = 159,372.96/x
  3. Step 3: Cross multiply
    259,149.48x = 387,846.36 × 159,372.96
  4. Step 4: Simplify right side
    259,149.48x = 61,812,222,418.43
  5. Step 5: Solve for x
    x = 61,812,222,418.43/259,149.48
  6. Step 6: Final answer
    x = 238,519.57

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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.