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Finding the Fourth Proportional to 226,715.70, 340,086.35 and 68,949.30

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Solution

The fourth proportional to 226,715.70, 340,086.35 and 68,949.30 is: 103,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,715.70 : 340,086.35 = 68,949.30 : x
  2. Step 2: Convert to fraction form
    226,715.70/340,086.35 = 68,949.30/x
  3. Step 3: Cross multiply
    226,715.70x = 340,086.35 × 68,949.30
  4. Step 4: Simplify right side
    226,715.70x = 23,448,715,772.06
  5. Step 5: Solve for x
    x = 23,448,715,772.06/226,715.70
  6. Step 6: Final answer
    x = 103,427.84

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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.