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Finding the Fourth Proportional to 244,626, 366,991.68 and 76,142.76

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Solution

The fourth proportional to 244,626, 366,991.68 and 76,142.76 is: 114,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,626 : 366,991.68 = 76,142.76 : x
  2. Step 2: Convert to fraction form
    244,626/366,991.68 = 76,142.76/x
  3. Step 3: Cross multiply
    244,626x = 366,991.68 × 76,142.76
  4. Step 4: Simplify right side
    244,626x = 27,943,759,412.24
  5. Step 5: Solve for x
    x = 27,943,759,412.24/244,626
  6. Step 6: Final answer
    x = 114,230.54

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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.