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Finding the Fourth Proportional to 550,149.81, 825,136.17 and 150,697.19

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Solution

The fourth proportional to 550,149.81, 825,136.17 and 150,697.19 is: 226,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,149.81 : 825,136.17 = 150,697.19 : x
  2. Step 2: Convert to fraction form
    550,149.81/825,136.17 = 150,697.19/x
  3. Step 3: Cross multiply
    550,149.81x = 825,136.17 × 150,697.19
  4. Step 4: Simplify right side
    550,149.81x = 124,345,703,684.09
  5. Step 5: Solve for x
    x = 124,345,703,684.09/550,149.81
  6. Step 6: Final answer
    x = 226,021.53

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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.