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Finding the Fourth Proportional to 75,958.32, 104,850.36 and 45,744.84

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Solution

The fourth proportional to 75,958.32, 104,850.36 and 45,744.84 is: 63,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,958.32 : 104,850.36 = 45,744.84 : x
  2. Step 2: Convert to fraction form
    75,958.32/104,850.36 = 45,744.84/x
  3. Step 3: Cross multiply
    75,958.32x = 104,850.36 × 45,744.84
  4. Step 4: Simplify right side
    75,958.32x = 4,796,362,942.14
  5. Step 5: Solve for x
    x = 4,796,362,942.14/75,958.32
  6. Step 6: Final answer
    x = 63,144.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.