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Finding the Fourth Proportional to 103,687.68, 155,556.20 and 33,567

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Solution

The fourth proportional to 103,687.68, 155,556.20 and 33,567 is: 50,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.68 : 155,556.20 = 33,567 : x
  2. Step 2: Convert to fraction form
    103,687.68/155,556.20 = 33,567/x
  3. Step 3: Cross multiply
    103,687.68x = 155,556.20 × 33,567
  4. Step 4: Simplify right side
    103,687.68x = 5,221,554,965.40
  5. Step 5: Solve for x
    x = 5,221,554,965.40/103,687.68
  6. Step 6: Final answer
    x = 50,358.49

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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.