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Finding the Fourth Proportional to 202,214.40, 303,175.80 and 132,133.20

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Solution

The fourth proportional to 202,214.40, 303,175.80 and 132,133.20 is: 198,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,214.40 : 303,175.80 = 132,133.20 : x
  2. Step 2: Convert to fraction form
    202,214.40/303,175.80 = 132,133.20/x
  3. Step 3: Cross multiply
    202,214.40x = 303,175.80 × 132,133.20
  4. Step 4: Simplify right side
    202,214.40x = 40,059,588,616.56
  5. Step 5: Solve for x
    x = 40,059,588,616.56/202,214.40
  6. Step 6: Final answer
    x = 198,104.53

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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.