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Finding the Fourth Proportional to 172,790.73, 238,422.33 and 96,293.07

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Solution

The fourth proportional to 172,790.73, 238,422.33 and 96,293.07 is: 132,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,790.73 : 238,422.33 = 96,293.07 : x
  2. Step 2: Convert to fraction form
    172,790.73/238,422.33 = 96,293.07/x
  3. Step 3: Cross multiply
    172,790.73x = 238,422.33 × 96,293.07
  4. Step 4: Simplify right side
    172,790.73x = 22,958,418,112.25
  5. Step 5: Solve for x
    x = 22,958,418,112.25/172,790.73
  6. Step 6: Final answer
    x = 132,868.34

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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.