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Finding the Fourth Proportional to 226,455.21, 339,738.50 and 112,656.76

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Solution

The fourth proportional to 226,455.21, 339,738.50 and 112,656.76 is: 169,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,455.21 : 339,738.50 = 112,656.76 : x
  2. Step 2: Convert to fraction form
    226,455.21/339,738.50 = 112,656.76/x
  3. Step 3: Cross multiply
    226,455.21x = 339,738.50 × 112,656.76
  4. Step 4: Simplify right side
    226,455.21x = 38,273,838,089.56
  5. Step 5: Solve for x
    x = 38,273,838,089.56/226,455.21
  6. Step 6: Final answer
    x = 169,012.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.