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Finding the Fourth Proportional to 216,087.92, 324,107.62 and 82,874.72

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Solution

The fourth proportional to 216,087.92, 324,107.62 and 82,874.72 is: 124,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,087.92 : 324,107.62 = 82,874.72 : x
  2. Step 2: Convert to fraction form
    216,087.92/324,107.62 = 82,874.72/x
  3. Step 3: Cross multiply
    216,087.92x = 324,107.62 × 82,874.72
  4. Step 4: Simplify right side
    216,087.92x = 26,860,328,257.37
  5. Step 5: Solve for x
    x = 26,860,328,257.37/216,087.92
  6. Step 6: Final answer
    x = 124,302.78

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1.5x scale

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.