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Finding the Fourth Proportional to 191,207.88, 263,939.04 and 164,242.44

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Solution

The fourth proportional to 191,207.88, 263,939.04 and 164,242.44 is: 226,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,207.88 : 263,939.04 = 164,242.44 : x
  2. Step 2: Convert to fraction form
    191,207.88/263,939.04 = 164,242.44/x
  3. Step 3: Cross multiply
    191,207.88x = 263,939.04 × 164,242.44
  4. Step 4: Simplify right side
    191,207.88x = 43,349,991,940.86
  5. Step 5: Solve for x
    x = 43,349,991,940.86/191,207.88
  6. Step 6: Final answer
    x = 226,716.56

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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.