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Finding the Fourth Proportional to 226,374.88, 339,704.88 and 126,600.40

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Solution

The fourth proportional to 226,374.88, 339,704.88 and 126,600.40 is: 189,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,374.88 : 339,704.88 = 126,600.40 : x
  2. Step 2: Convert to fraction form
    226,374.88/339,704.88 = 126,600.40/x
  3. Step 3: Cross multiply
    226,374.88x = 339,704.88 × 126,600.40
  4. Step 4: Simplify right side
    226,374.88x = 43,006,773,689.95
  5. Step 5: Solve for x
    x = 43,006,773,689.95/226,374.88
  6. Step 6: Final answer
    x = 189,980.33

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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.