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Finding the Fourth Proportional to 187,744.50, 259,087.41 and 102,863.52

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Solution

The fourth proportional to 187,744.50, 259,087.41 and 102,863.52 is: 141,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,744.50 : 259,087.41 = 102,863.52 : x
  2. Step 2: Convert to fraction form
    187,744.50/259,087.41 = 102,863.52/x
  3. Step 3: Cross multiply
    187,744.50x = 259,087.41 × 102,863.52
  4. Step 4: Simplify right side
    187,744.50x = 26,650,642,980.28
  5. Step 5: Solve for x
    x = 26,650,642,980.28/187,744.50
  6. Step 6: Final answer
    x = 141,951.66

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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.