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Finding the Fourth Proportional to 202,300.80, 303,796.80 and 132,489.60

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Solution

The fourth proportional to 202,300.80, 303,796.80 and 132,489.60 is: 198,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,300.80 : 303,796.80 = 132,489.60 : x
  2. Step 2: Convert to fraction form
    202,300.80/303,796.80 = 132,489.60/x
  3. Step 3: Cross multiply
    202,300.80x = 303,796.80 × 132,489.60
  4. Step 4: Simplify right side
    202,300.80x = 40,249,916,513.28
  5. Step 5: Solve for x
    x = 40,249,916,513.28/202,300.80
  6. Step 6: Final answer
    x = 198,960.74

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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.