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Finding the Fourth Proportional to 119,379.41, 164,766.96 and 68,426.27

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Solution

The fourth proportional to 119,379.41, 164,766.96 and 68,426.27 is: 94,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,379.41 : 164,766.96 = 68,426.27 : x
  2. Step 2: Convert to fraction form
    119,379.41/164,766.96 = 68,426.27/x
  3. Step 3: Cross multiply
    119,379.41x = 164,766.96 × 68,426.27
  4. Step 4: Simplify right side
    119,379.41x = 11,274,387,909.06
  5. Step 5: Solve for x
    x = 11,274,387,909.06/119,379.41
  6. Step 6: Final answer
    x = 94,441.65

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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.