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Finding the Fourth Proportional to 227,394.34, 313,890.33 and 178,870.66

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Solution

The fourth proportional to 227,394.34, 313,890.33 and 178,870.66 is: 246,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,394.34 : 313,890.33 = 178,870.66 : x
  2. Step 2: Convert to fraction form
    227,394.34/313,890.33 = 178,870.66/x
  3. Step 3: Cross multiply
    227,394.34x = 313,890.33 × 178,870.66
  4. Step 4: Simplify right side
    227,394.34x = 56,145,770,494.72
  5. Step 5: Solve for x
    x = 56,145,770,494.72/227,394.34
  6. Step 6: Final answer
    x = 246,909.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.