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Finding the Fourth Proportional to 226,472.60, 339,741.30 and 68,713.40

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Solution

The fourth proportional to 226,472.60, 339,741.30 and 68,713.40 is: 103,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,472.60 : 339,741.30 = 68,713.40 : x
  2. Step 2: Convert to fraction form
    226,472.60/339,741.30 = 68,713.40/x
  3. Step 3: Cross multiply
    226,472.60x = 339,741.30 × 68,713.40
  4. Step 4: Simplify right side
    226,472.60x = 23,344,779,843.42
  5. Step 5: Solve for x
    x = 23,344,779,843.42/226,472.60
  6. Step 6: Final answer
    x = 103,079.93

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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.