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Finding the Fourth Proportional to 226,722.80, 339,695.40 and 147,796.40

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Solution

The fourth proportional to 226,722.80, 339,695.40 and 147,796.40 is: 221,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,722.80 : 339,695.40 = 147,796.40 : x
  2. Step 2: Convert to fraction form
    226,722.80/339,695.40 = 147,796.40/x
  3. Step 3: Cross multiply
    226,722.80x = 339,695.40 × 147,796.40
  4. Step 4: Simplify right side
    226,722.80x = 50,205,757,216.56
  5. Step 5: Solve for x
    x = 50,205,757,216.56/226,722.80
  6. Step 6: Final answer
    x = 221,441.15

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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.