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Finding the Fourth Proportional to 344,804.69, 517,212.57 and 108,149.42

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Solution

The fourth proportional to 344,804.69, 517,212.57 and 108,149.42 is: 162,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,804.69 : 517,212.57 = 108,149.42 : x
  2. Step 2: Convert to fraction form
    344,804.69/517,212.57 = 108,149.42/x
  3. Step 3: Cross multiply
    344,804.69x = 517,212.57 × 108,149.42
  4. Step 4: Simplify right side
    344,804.69x = 55,936,239,462.21
  5. Step 5: Solve for x
    x = 55,936,239,462.21/344,804.69
  6. Step 6: Final answer
    x = 162,225.87

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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.