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Finding the Fourth Proportional to 187,370.72, 258,498.97 and 119,375.52

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Solution

The fourth proportional to 187,370.72, 258,498.97 and 119,375.52 is: 164,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,370.72 : 258,498.97 = 119,375.52 : x
  2. Step 2: Convert to fraction form
    187,370.72/258,498.97 = 119,375.52/x
  3. Step 3: Cross multiply
    187,370.72x = 258,498.97 × 119,375.52
  4. Step 4: Simplify right side
    187,370.72x = 30,858,448,664.78
  5. Step 5: Solve for x
    x = 30,858,448,664.78/187,370.72
  6. Step 6: Final answer
    x = 164,691.94

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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.