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Finding the Fourth Proportional to 108,704.44, 149,936.24 and 105,046.68

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Solution

The fourth proportional to 108,704.44, 149,936.24 and 105,046.68 is: 144,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,704.44 : 149,936.24 = 105,046.68 : x
  2. Step 2: Convert to fraction form
    108,704.44/149,936.24 = 105,046.68/x
  3. Step 3: Cross multiply
    108,704.44x = 149,936.24 × 105,046.68
  4. Step 4: Simplify right side
    108,704.44x = 15,750,305,048.56
  5. Step 5: Solve for x
    x = 15,750,305,048.56/108,704.44
  6. Step 6: Final answer
    x = 144,891.09

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1.5x scale

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.