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Finding the Fourth Proportional to 202,302.80, 303,799.80 and 132,491.60

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Solution

The fourth proportional to 202,302.80, 303,799.80 and 132,491.60 is: 198,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,302.80 : 303,799.80 = 132,491.60 : x
  2. Step 2: Convert to fraction form
    202,302.80/303,799.80 = 132,491.60/x
  3. Step 3: Cross multiply
    202,302.80x = 303,799.80 × 132,491.60
  4. Step 4: Simplify right side
    202,302.80x = 40,250,921,581.68
  5. Step 5: Solve for x
    x = 40,250,921,581.68/202,302.80
  6. Step 6: Final answer
    x = 198,963.74

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1.5x scale

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.