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Finding the Fourth Proportional to 187,716.35, 259,055.01 and 102,833.39

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Solution

The fourth proportional to 187,716.35, 259,055.01 and 102,833.39 is: 141,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,716.35 : 259,055.01 = 102,833.39 : x
  2. Step 2: Convert to fraction form
    187,716.35/259,055.01 = 102,833.39/x
  3. Step 3: Cross multiply
    187,716.35x = 259,055.01 × 102,833.39
  4. Step 4: Simplify right side
    187,716.35x = 26,639,504,874.78
  5. Step 5: Solve for x
    x = 26,639,504,874.78/187,716.35
  6. Step 6: Final answer
    x = 141,913.61

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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.