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Finding the Fourth Proportional to 88,517.96, 132,775.11 and 21,957.32

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Solution

The fourth proportional to 88,517.96, 132,775.11 and 21,957.32 is: 32,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,517.96 : 132,775.11 = 21,957.32 : x
  2. Step 2: Convert to fraction form
    88,517.96/132,775.11 = 21,957.32/x
  3. Step 3: Cross multiply
    88,517.96x = 132,775.11 × 21,957.32
  4. Step 4: Simplify right side
    88,517.96x = 2,915,385,910.24
  5. Step 5: Solve for x
    x = 2,915,385,910.24/88,517.96
  6. Step 6: Final answer
    x = 32,935.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.