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Finding the Fourth Proportional to 149,337.66, 206,085.90 and 82,269.66

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Solution

The fourth proportional to 149,337.66, 206,085.90 and 82,269.66 is: 113,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,337.66 : 206,085.90 = 82,269.66 : x
  2. Step 2: Convert to fraction form
    149,337.66/206,085.90 = 82,269.66/x
  3. Step 3: Cross multiply
    149,337.66x = 206,085.90 × 82,269.66
  4. Step 4: Simplify right side
    149,337.66x = 16,954,616,923.79
  5. Step 5: Solve for x
    x = 16,954,616,923.79/149,337.66
  6. Step 6: Final answer
    x = 113,532.09

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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.