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Finding the Fourth Proportional to 225,323.26, 310,614.82 and 171,514.56

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Solution

The fourth proportional to 225,323.26, 310,614.82 and 171,514.56 is: 236,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,323.26 : 310,614.82 = 171,514.56 : x
  2. Step 2: Convert to fraction form
    225,323.26/310,614.82 = 171,514.56/x
  3. Step 3: Cross multiply
    225,323.26x = 310,614.82 × 171,514.56
  4. Step 4: Simplify right side
    225,323.26x = 53,274,964,181.78
  5. Step 5: Solve for x
    x = 53,274,964,181.78/225,323.26
  6. Step 6: Final answer
    x = 236,437.93

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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.