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Finding the Fourth Proportional to 108,143.84, 162,231.12 and 33,270.24

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Solution

The fourth proportional to 108,143.84, 162,231.12 and 33,270.24 is: 49,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,143.84 : 162,231.12 = 33,270.24 : x
  2. Step 2: Convert to fraction form
    108,143.84/162,231.12 = 33,270.24/x
  3. Step 3: Cross multiply
    108,143.84x = 162,231.12 × 33,270.24
  4. Step 4: Simplify right side
    108,143.84x = 5,397,468,297.87
  5. Step 5: Solve for x
    x = 5,397,468,297.87/108,143.84
  6. Step 6: Final answer
    x = 49,910.09

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1.5x scale

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.