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Finding the Fourth Proportional to 146,558.20, 202,251.18 and 82,892.20

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Solution

The fourth proportional to 146,558.20, 202,251.18 and 82,892.20 is: 114,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,558.20 : 202,251.18 = 82,892.20 : x
  2. Step 2: Convert to fraction form
    146,558.20/202,251.18 = 82,892.20/x
  3. Step 3: Cross multiply
    146,558.20x = 202,251.18 × 82,892.20
  4. Step 4: Simplify right side
    146,558.20x = 16,765,045,262.80
  5. Step 5: Solve for x
    x = 16,765,045,262.80/146,558.20
  6. Step 6: Final answer
    x = 114,391.72

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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.