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Finding the Fourth Proportional to 202,667.52, 303,837.30 and 84,427.68

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Solution

The fourth proportional to 202,667.52, 303,837.30 and 84,427.68 is: 126,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,667.52 : 303,837.30 = 84,427.68 : x
  2. Step 2: Convert to fraction form
    202,667.52/303,837.30 = 84,427.68/x
  3. Step 3: Cross multiply
    202,667.52x = 303,837.30 × 84,427.68
  4. Step 4: Simplify right side
    202,667.52x = 25,652,278,336.46
  5. Step 5: Solve for x
    x = 25,652,278,336.46/202,667.52
  6. Step 6: Final answer
    x = 126,573.21

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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.