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Finding the Fourth Proportional to 202,484.88, 303,806.04 and 84,126.48

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Solution

The fourth proportional to 202,484.88, 303,806.04 and 84,126.48 is: 126,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,484.88 : 303,806.04 = 84,126.48 : x
  2. Step 2: Convert to fraction form
    202,484.88/303,806.04 = 84,126.48/x
  3. Step 3: Cross multiply
    202,484.88x = 303,806.04 × 84,126.48
  4. Step 4: Simplify right side
    202,484.88x = 25,558,132,747.94
  5. Step 5: Solve for x
    x = 25,558,132,747.94/202,484.88
  6. Step 6: Final answer
    x = 126,222.43

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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.