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Finding the Fourth Proportional to 172,865.44, 238,554.44 and 96,391.52

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Solution

The fourth proportional to 172,865.44, 238,554.44 and 96,391.52 is: 133,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,865.44 : 238,554.44 = 96,391.52 : x
  2. Step 2: Convert to fraction form
    172,865.44/238,554.44 = 96,391.52/x
  3. Step 3: Cross multiply
    172,865.44x = 238,554.44 × 96,391.52
  4. Step 4: Simplify right side
    172,865.44x = 22,994,625,074.35
  5. Step 5: Solve for x
    x = 22,994,625,074.35/172,865.44
  6. Step 6: Final answer
    x = 133,020.37

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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.