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Finding the Fourth Proportional to 219,891.49, 303,433.52 and 124,404.33

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Solution

The fourth proportional to 219,891.49, 303,433.52 and 124,404.33 is: 171,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,891.49 : 303,433.52 = 124,404.33 : x
  2. Step 2: Convert to fraction form
    219,891.49/303,433.52 = 124,404.33/x
  3. Step 3: Cross multiply
    219,891.49x = 303,433.52 × 124,404.33
  4. Step 4: Simplify right side
    219,891.49x = 37,748,443,755.14
  5. Step 5: Solve for x
    x = 37,748,443,755.14/219,891.49
  6. Step 6: Final answer
    x = 171,668.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.