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Finding the Fourth Proportional to 275,752.65, 413,579.70 and 73,349.85

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Solution

The fourth proportional to 275,752.65, 413,579.70 and 73,349.85 is: 110,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,752.65 : 413,579.70 = 73,349.85 : x
  2. Step 2: Convert to fraction form
    275,752.65/413,579.70 = 73,349.85/x
  3. Step 3: Cross multiply
    275,752.65x = 413,579.70 × 73,349.85
  4. Step 4: Simplify right side
    275,752.65x = 30,336,008,958.05
  5. Step 5: Solve for x
    x = 30,336,008,958.05/275,752.65
  6. Step 6: Final answer
    x = 110,011.67

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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.