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Finding the Fourth Proportional to 240,036, 331,249.68 and 134,052

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Solution

The fourth proportional to 240,036, 331,249.68 and 134,052 is: 184,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,036 : 331,249.68 = 134,052 : x
  2. Step 2: Convert to fraction form
    240,036/331,249.68 = 134,052/x
  3. Step 3: Cross multiply
    240,036x = 331,249.68 × 134,052
  4. Step 4: Simplify right side
    240,036x = 44,404,682,103.36
  5. Step 5: Solve for x
    x = 44,404,682,103.36/240,036
  6. Step 6: Final answer
    x = 184,991.76

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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.