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Finding the Fourth Proportional to 226,767.40, 340,200.30 and 68,991.75

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Solution

The fourth proportional to 226,767.40, 340,200.30 and 68,991.75 is: 103,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,767.40 : 340,200.30 = 68,991.75 : x
  2. Step 2: Convert to fraction form
    226,767.40/340,200.30 = 68,991.75/x
  3. Step 3: Cross multiply
    226,767.40x = 340,200.30 × 68,991.75
  4. Step 4: Simplify right side
    226,767.40x = 23,471,014,047.53
  5. Step 5: Solve for x
    x = 23,471,014,047.53/226,767.40
  6. Step 6: Final answer
    x = 103,502.59

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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.