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Finding the Fourth Proportional to 237,805.88, 356,669.94 and 71,555

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Solution

The fourth proportional to 237,805.88, 356,669.94 and 71,555 is: 107,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,805.88 : 356,669.94 = 71,555 : x
  2. Step 2: Convert to fraction form
    237,805.88/356,669.94 = 71,555/x
  3. Step 3: Cross multiply
    237,805.88x = 356,669.94 × 71,555
  4. Step 4: Simplify right side
    237,805.88x = 25,521,517,556.70
  5. Step 5: Solve for x
    x = 25,521,517,556.70/237,805.88
  6. Step 6: Final answer
    x = 107,320.80

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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.