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Finding the Fourth Proportional to 68,574.52, 102,771.24 and 36,906.76

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Solution

The fourth proportional to 68,574.52, 102,771.24 and 36,906.76 is: 55,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,574.52 : 102,771.24 = 36,906.76 : x
  2. Step 2: Convert to fraction form
    68,574.52/102,771.24 = 36,906.76/x
  3. Step 3: Cross multiply
    68,574.52x = 102,771.24 × 36,906.76
  4. Step 4: Simplify right side
    68,574.52x = 3,792,953,489.58
  5. Step 5: Solve for x
    x = 3,792,953,489.58/68,574.52
  6. Step 6: Final answer
    x = 55,311.41

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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.