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Finding the Fourth Proportional to 226,572.20, 339,771.90 and 68,748.20

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Solution

The fourth proportional to 226,572.20, 339,771.90 and 68,748.20 is: 103,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,572.20 : 339,771.90 = 68,748.20 : x
  2. Step 2: Convert to fraction form
    226,572.20/339,771.90 = 68,748.20/x
  3. Step 3: Cross multiply
    226,572.20x = 339,771.90 × 68,748.20
  4. Step 4: Simplify right side
    226,572.20x = 23,358,706,535.58
  5. Step 5: Solve for x
    x = 23,358,706,535.58/226,572.20
  6. Step 6: Final answer
    x = 103,096.08

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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.