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Finding the Fourth Proportional to 119,366.55, 164,717.82 and 68,379.48

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Solution

The fourth proportional to 119,366.55, 164,717.82 and 68,379.48 is: 94,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,366.55 : 164,717.82 = 68,379.48 : x
  2. Step 2: Convert to fraction form
    119,366.55/164,717.82 = 68,379.48/x
  3. Step 3: Cross multiply
    119,366.55x = 164,717.82 × 68,379.48
  4. Step 4: Simplify right side
    119,366.55x = 11,263,318,878.33
  5. Step 5: Solve for x
    x = 11,263,318,878.33/119,366.55
  6. Step 6: Final answer
    x = 94,359.09

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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.