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Finding the Fourth Proportional to 263,606.87, 395,328.51 and 95,105.28

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Solution

The fourth proportional to 263,606.87, 395,328.51 and 95,105.28 is: 142,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,606.87 : 395,328.51 = 95,105.28 : x
  2. Step 2: Convert to fraction form
    263,606.87/395,328.51 = 95,105.28/x
  3. Step 3: Cross multiply
    263,606.87x = 395,328.51 × 95,105.28
  4. Step 4: Simplify right side
    263,606.87x = 37,597,828,635.53
  5. Step 5: Solve for x
    x = 37,597,828,635.53/263,606.87
  6. Step 6: Final answer
    x = 142,628.41

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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.