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Finding the Fourth Proportional to 237,940.96, 356,964.24 and 71,716.96

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Solution

The fourth proportional to 237,940.96, 356,964.24 and 71,716.96 is: 107,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,940.96 : 356,964.24 = 71,716.96 : x
  2. Step 2: Convert to fraction form
    237,940.96/356,964.24 = 71,716.96/x
  3. Step 3: Cross multiply
    237,940.96x = 356,964.24 × 71,716.96
  4. Step 4: Simplify right side
    237,940.96x = 25,600,390,121.51
  5. Step 5: Solve for x
    x = 25,600,390,121.51/237,940.96
  6. Step 6: Final answer
    x = 107,591.35

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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.