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Finding the Fourth Proportional to 51,400.99, 77,048.97 and 29,167.39

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Solution

The fourth proportional to 51,400.99, 77,048.97 and 29,167.39 is: 43,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,400.99 : 77,048.97 = 29,167.39 : x
  2. Step 2: Convert to fraction form
    51,400.99/77,048.97 = 29,167.39/x
  3. Step 3: Cross multiply
    51,400.99x = 77,048.97 × 29,167.39
  4. Step 4: Simplify right side
    51,400.99x = 2,247,317,357.09
  5. Step 5: Solve for x
    x = 2,247,317,357.09/51,400.99
  6. Step 6: Final answer
    x = 43,721.29

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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.