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Finding the Fourth Proportional to 146,107.80, 219,096.90 and 67,246.20

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Solution

The fourth proportional to 146,107.80, 219,096.90 and 67,246.20 is: 100,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,107.80 : 219,096.90 = 67,246.20 : x
  2. Step 2: Convert to fraction form
    146,107.80/219,096.90 = 67,246.20/x
  3. Step 3: Cross multiply
    146,107.80x = 219,096.90 × 67,246.20
  4. Step 4: Simplify right side
    146,107.80x = 14,733,433,956.78
  5. Step 5: Solve for x
    x = 14,733,433,956.78/146,107.80
  6. Step 6: Final answer
    x = 100,839.48

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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.