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Finding the Fourth Proportional to 241,942, 333,879.96 and 135,958

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Solution

The fourth proportional to 241,942, 333,879.96 and 135,958 is: 187,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,942 : 333,879.96 = 135,958 : x
  2. Step 2: Convert to fraction form
    241,942/333,879.96 = 135,958/x
  3. Step 3: Cross multiply
    241,942x = 333,879.96 × 135,958
  4. Step 4: Simplify right side
    241,942x = 45,393,651,601.68
  5. Step 5: Solve for x
    x = 45,393,651,601.68/241,942
  6. Step 6: Final answer
    x = 187,622.04

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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.