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Finding the Fourth Proportional to 339,194.49, 508,683.69 and 111,437.22

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Solution

The fourth proportional to 339,194.49, 508,683.69 and 111,437.22 is: 167,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,194.49 : 508,683.69 = 111,437.22 : x
  2. Step 2: Convert to fraction form
    339,194.49/508,683.69 = 111,437.22/x
  3. Step 3: Cross multiply
    339,194.49x = 508,683.69 × 111,437.22
  4. Step 4: Simplify right side
    339,194.49x = 56,686,296,272.94
  5. Step 5: Solve for x
    x = 56,686,296,272.94/339,194.49
  6. Step 6: Final answer
    x = 167,120.33

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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.