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Finding the Fourth Proportional to 360,786.06, 541,192.86 and 161,108.10

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Solution

The fourth proportional to 360,786.06, 541,192.86 and 161,108.10 is: 241,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,786.06 : 541,192.86 = 161,108.10 : x
  2. Step 2: Convert to fraction form
    360,786.06/541,192.86 = 161,108.10/x
  3. Step 3: Cross multiply
    360,786.06x = 541,192.86 × 161,108.10
  4. Step 4: Simplify right side
    360,786.06x = 87,190,553,408.17
  5. Step 5: Solve for x
    x = 87,190,553,408.17/360,786.06
  6. Step 6: Final answer
    x = 241,668.30

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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.