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Finding the Fourth Proportional to 187,950.84, 259,371.90 and 103,067.88

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Solution

The fourth proportional to 187,950.84, 259,371.90 and 103,067.88 is: 142,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,950.84 : 259,371.90 = 103,067.88 : x
  2. Step 2: Convert to fraction form
    187,950.84/259,371.90 = 103,067.88/x
  3. Step 3: Cross multiply
    187,950.84x = 259,371.90 × 103,067.88
  4. Step 4: Simplify right side
    187,950.84x = 26,732,911,864.57
  5. Step 5: Solve for x
    x = 26,732,911,864.57/187,950.84
  6. Step 6: Final answer
    x = 142,233.53

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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.