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Finding the Fourth Proportional to 360,677.91, 541,141.20 and 161,136.03

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Solution

The fourth proportional to 360,677.91, 541,141.20 and 161,136.03 is: 241,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,677.91 : 541,141.20 = 161,136.03 : x
  2. Step 2: Convert to fraction form
    360,677.91/541,141.20 = 161,136.03/x
  3. Step 3: Cross multiply
    360,677.91x = 541,141.20 × 161,136.03
  4. Step 4: Simplify right side
    360,677.91x = 87,197,344,637.44
  5. Step 5: Solve for x
    x = 87,197,344,637.44/360,677.91
  6. Step 6: Final answer
    x = 241,759.59

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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.