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Finding the Fourth Proportional to 199,863.91, 275,932.34 and 124,514.47

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Solution

The fourth proportional to 199,863.91, 275,932.34 and 124,514.47 is: 171,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,863.91 : 275,932.34 = 124,514.47 : x
  2. Step 2: Convert to fraction form
    199,863.91/275,932.34 = 124,514.47/x
  3. Step 3: Cross multiply
    199,863.91x = 275,932.34 × 124,514.47
  4. Step 4: Simplify right side
    199,863.91x = 34,357,568,448.39
  5. Step 5: Solve for x
    x = 34,357,568,448.39/199,863.91
  6. Step 6: Final answer
    x = 171,904.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.