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Finding the Fourth Proportional to 226,716.70, 340,087.85 and 68,950.30

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Solution

The fourth proportional to 226,716.70, 340,087.85 and 68,950.30 is: 103,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,716.70 : 340,087.85 = 68,950.30 : x
  2. Step 2: Convert to fraction form
    226,716.70/340,087.85 = 68,950.30/x
  3. Step 3: Cross multiply
    226,716.70x = 340,087.85 × 68,950.30
  4. Step 4: Simplify right side
    226,716.70x = 23,449,159,283.86
  5. Step 5: Solve for x
    x = 23,449,159,283.86/226,716.70
  6. Step 6: Final answer
    x = 103,429.34

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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.