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Finding the Fourth Proportional to 226,870.96, 339,451.38 and 135,347.89

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Solution

The fourth proportional to 226,870.96, 339,451.38 and 135,347.89 is: 202,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,870.96 : 339,451.38 = 135,347.89 : x
  2. Step 2: Convert to fraction form
    226,870.96/339,451.38 = 135,347.89/x
  3. Step 3: Cross multiply
    226,870.96x = 339,451.38 × 135,347.89
  4. Step 4: Simplify right side
    226,870.96x = 45,944,028,040.59
  5. Step 5: Solve for x
    x = 45,944,028,040.59/226,870.96
  6. Step 6: Final answer
    x = 202,511.72

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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.