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Finding the Fourth Proportional to 172,766.78, 238,422.10 and 96,293.74

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Solution

The fourth proportional to 172,766.78, 238,422.10 and 96,293.74 is: 132,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,766.78 : 238,422.10 = 96,293.74 : x
  2. Step 2: Convert to fraction form
    172,766.78/238,422.10 = 96,293.74/x
  3. Step 3: Cross multiply
    172,766.78x = 238,422.10 × 96,293.74
  4. Step 4: Simplify right side
    172,766.78x = 22,958,555,707.65
  5. Step 5: Solve for x
    x = 22,958,555,707.65/172,766.78
  6. Step 6: Final answer
    x = 132,887.56

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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.