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Finding the Fourth Proportional to 226,891.80, 340,337.70 and 163,906.20

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Solution

The fourth proportional to 226,891.80, 340,337.70 and 163,906.20 is: 245,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,891.80 : 340,337.70 = 163,906.20 : x
  2. Step 2: Convert to fraction form
    226,891.80/340,337.70 = 163,906.20/x
  3. Step 3: Cross multiply
    226,891.80x = 340,337.70 × 163,906.20
  4. Step 4: Simplify right side
    226,891.80x = 55,783,459,123.74
  5. Step 5: Solve for x
    x = 55,783,459,123.74/226,891.80
  6. Step 6: Final answer
    x = 245,859.30

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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.