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Finding the Fourth Proportional to 81,717.00, 122,582.55 and 22,552.67

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Solution

The fourth proportional to 81,717.00, 122,582.55 and 22,552.67 is: 33,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,717.00 : 122,582.55 = 22,552.67 : x
  2. Step 2: Convert to fraction form
    81,717.00/122,582.55 = 22,552.67/x
  3. Step 3: Cross multiply
    81,717.00x = 122,582.55 × 22,552.67
  4. Step 4: Simplify right side
    81,717.00x = 2,764,563,540.46
  5. Step 5: Solve for x
    x = 2,764,563,540.46/81,717.00
  6. Step 6: Final answer
    x = 33,830.95

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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.