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Finding the Fourth Proportional to 234,533.44, 351,865.76 and 76,872.56

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Solution

The fourth proportional to 234,533.44, 351,865.76 and 76,872.56 is: 115,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,533.44 : 351,865.76 = 76,872.56 : x
  2. Step 2: Convert to fraction form
    234,533.44/351,865.76 = 76,872.56/x
  3. Step 3: Cross multiply
    234,533.44x = 351,865.76 × 76,872.56
  4. Step 4: Simplify right side
    234,533.44x = 27,048,821,747.55
  5. Step 5: Solve for x
    x = 27,048,821,747.55/234,533.44
  6. Step 6: Final answer
    x = 115,330.34

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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.