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Finding the Fourth Proportional to 171,677.76, 236,911.68 and 96,224.64

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Solution

The fourth proportional to 171,677.76, 236,911.68 and 96,224.64 is: 132,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,677.76 : 236,911.68 = 96,224.64 : x
  2. Step 2: Convert to fraction form
    171,677.76/236,911.68 = 96,224.64/x
  3. Step 3: Cross multiply
    171,677.76x = 236,911.68 × 96,224.64
  4. Step 4: Simplify right side
    171,677.76x = 22,796,741,119.80
  5. Step 5: Solve for x
    x = 22,796,741,119.80/171,677.76
  6. Step 6: Final answer
    x = 132,787.97

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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.