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Finding the Fourth Proportional to 136,191.36, 204,286.36 and 34,989.30

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Solution

The fourth proportional to 136,191.36, 204,286.36 and 34,989.30 is: 52,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,191.36 : 204,286.36 = 34,989.30 : x
  2. Step 2: Convert to fraction form
    136,191.36/204,286.36 = 34,989.30/x
  3. Step 3: Cross multiply
    136,191.36x = 204,286.36 × 34,989.30
  4. Step 4: Simplify right side
    136,191.36x = 7,147,836,965.91
  5. Step 5: Solve for x
    x = 7,147,836,965.91/136,191.36
  6. Step 6: Final answer
    x = 52,483.78

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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.