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Finding the Fourth Proportional to 172,755.30, 238,409.67 and 96,274.49

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Solution

The fourth proportional to 172,755.30, 238,409.67 and 96,274.49 is: 132,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,755.30 : 238,409.67 = 96,274.49 : x
  2. Step 2: Convert to fraction form
    172,755.30/238,409.67 = 96,274.49/x
  3. Step 3: Cross multiply
    172,755.30x = 238,409.67 × 96,274.49
  4. Step 4: Simplify right side
    172,755.30x = 22,952,768,198.27
  5. Step 5: Solve for x
    x = 22,952,768,198.27/172,755.30
  6. Step 6: Final answer
    x = 132,862.89

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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.