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Finding the Fourth Proportional to 149,318.19, 206,059.11 and 82,250.19

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Solution

The fourth proportional to 149,318.19, 206,059.11 and 82,250.19 is: 113,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,318.19 : 206,059.11 = 82,250.19 : x
  2. Step 2: Convert to fraction form
    149,318.19/206,059.11 = 82,250.19/x
  3. Step 3: Cross multiply
    149,318.19x = 206,059.11 × 82,250.19
  4. Step 4: Simplify right side
    149,318.19x = 16,948,400,948.73
  5. Step 5: Solve for x
    x = 16,948,400,948.73/149,318.19
  6. Step 6: Final answer
    x = 113,505.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.