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Finding the Fourth Proportional to 187,367.17, 258,755.60 and 119,416.17

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Solution

The fourth proportional to 187,367.17, 258,755.60 and 119,416.17 is: 164,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,367.17 : 258,755.60 = 119,416.17 : x
  2. Step 2: Convert to fraction form
    187,367.17/258,755.60 = 119,416.17/x
  3. Step 3: Cross multiply
    187,367.17x = 258,755.60 × 119,416.17
  4. Step 4: Simplify right side
    187,367.17x = 30,899,602,120.97
  5. Step 5: Solve for x
    x = 30,899,602,120.97/187,367.17
  6. Step 6: Final answer
    x = 164,914.71

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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.