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Finding the Fourth Proportional to 119,353.82, 164,704.83 and 68,364.86

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Solution

The fourth proportional to 119,353.82, 164,704.83 and 68,364.86 is: 94,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,353.82 : 164,704.83 = 68,364.86 : x
  2. Step 2: Convert to fraction form
    119,353.82/164,704.83 = 68,364.86/x
  3. Step 3: Cross multiply
    119,353.82x = 164,704.83 × 68,364.86
  4. Step 4: Simplify right side
    119,353.82x = 11,260,022,644.27
  5. Step 5: Solve for x
    x = 11,260,022,644.27/119,353.82
  6. Step 6: Final answer
    x = 94,341.54

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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.