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Finding the Fourth Proportional to 171,684.86, 236,912.22 and 96,218.78

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Solution

The fourth proportional to 171,684.86, 236,912.22 and 96,218.78 is: 132,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,684.86 : 236,912.22 = 96,218.78 : x
  2. Step 2: Convert to fraction form
    171,684.86/236,912.22 = 96,218.78/x
  3. Step 3: Cross multiply
    171,684.86x = 236,912.22 × 96,218.78
  4. Step 4: Simplify right side
    171,684.86x = 22,795,404,775.49
  5. Step 5: Solve for x
    x = 22,795,404,775.49/171,684.86
  6. Step 6: Final answer
    x = 132,774.69

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1.5x scale

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.