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Finding the Fourth Proportional to 202,313.30, 303,815.55 and 132,502.10

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Solution

The fourth proportional to 202,313.30, 303,815.55 and 132,502.10 is: 198,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,313.30 : 303,815.55 = 132,502.10 : x
  2. Step 2: Convert to fraction form
    202,313.30/303,815.55 = 132,502.10/x
  3. Step 3: Cross multiply
    202,313.30x = 303,815.55 × 132,502.10
  4. Step 4: Simplify right side
    202,313.30x = 40,256,198,387.66
  5. Step 5: Solve for x
    x = 40,256,198,387.66/202,313.30
  6. Step 6: Final answer
    x = 198,979.50

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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.