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Finding the Fourth Proportional to 69,717.54, 104,517.54 and 30,244.89

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Solution

The fourth proportional to 69,717.54, 104,517.54 and 30,244.89 is: 45,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,717.54 : 104,517.54 = 30,244.89 : x
  2. Step 2: Convert to fraction form
    69,717.54/104,517.54 = 30,244.89/x
  3. Step 3: Cross multiply
    69,717.54x = 104,517.54 × 30,244.89
  4. Step 4: Simplify right side
    69,717.54x = 3,161,121,500.37
  5. Step 5: Solve for x
    x = 3,161,121,500.37/69,717.54
  6. Step 6: Final answer
    x = 45,341.84

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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.