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Finding the Fourth Proportional to 201,996.28, 303,006.84 and 83,676.88

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Solution

The fourth proportional to 201,996.28, 303,006.84 and 83,676.88 is: 125,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,996.28 : 303,006.84 = 83,676.88 : x
  2. Step 2: Convert to fraction form
    201,996.28/303,006.84 = 83,676.88/x
  3. Step 3: Cross multiply
    201,996.28x = 303,006.84 × 83,676.88
  4. Step 4: Simplify right side
    201,996.28x = 25,354,666,989.86
  5. Step 5: Solve for x
    x = 25,354,666,989.86/201,996.28
  6. Step 6: Final answer
    x = 125,520.46

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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.