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Finding the Fourth Proportional to 76,694.48, 114,944.78 and 34,529.66

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Solution

The fourth proportional to 76,694.48, 114,944.78 and 34,529.66 is: 51,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,694.48 : 114,944.78 = 34,529.66 : x
  2. Step 2: Convert to fraction form
    76,694.48/114,944.78 = 34,529.66/x
  3. Step 3: Cross multiply
    76,694.48x = 114,944.78 × 34,529.66
  4. Step 4: Simplify right side
    76,694.48x = 3,969,004,172.17
  5. Step 5: Solve for x
    x = 3,969,004,172.17/76,694.48
  6. Step 6: Final answer
    x = 51,750.85

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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.