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Finding the Fourth Proportional to 149,692.81, 206,576.27 and 82,624.81

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Solution

The fourth proportional to 149,692.81, 206,576.27 and 82,624.81 is: 114,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,692.81 : 206,576.27 = 82,624.81 : x
  2. Step 2: Convert to fraction form
    149,692.81/206,576.27 = 82,624.81/x
  3. Step 3: Cross multiply
    149,692.81x = 206,576.27 × 82,624.81
  4. Step 4: Simplify right side
    149,692.81x = 17,068,324,646.13
  5. Step 5: Solve for x
    x = 17,068,324,646.13/149,692.81
  6. Step 6: Final answer
    x = 114,022.34

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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.