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Finding the Fourth Proportional to 135,274.40, 202,911.60 and 134,496.80

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Solution

The fourth proportional to 135,274.40, 202,911.60 and 134,496.80 is: 201,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,274.40 : 202,911.60 = 134,496.80 : x
  2. Step 2: Convert to fraction form
    135,274.40/202,911.60 = 134,496.80/x
  3. Step 3: Cross multiply
    135,274.40x = 202,911.60 × 134,496.80
  4. Step 4: Simplify right side
    135,274.40x = 27,290,960,882.88
  5. Step 5: Solve for x
    x = 27,290,960,882.88/135,274.40
  6. Step 6: Final answer
    x = 201,745.20

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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.