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Finding the Fourth Proportional to 119,092.38, 164,360.58 and 68,109.87

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Solution

The fourth proportional to 119,092.38, 164,360.58 and 68,109.87 is: 93,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,092.38 : 164,360.58 = 68,109.87 : x
  2. Step 2: Convert to fraction form
    119,092.38/164,360.58 = 68,109.87/x
  3. Step 3: Cross multiply
    119,092.38x = 164,360.58 × 68,109.87
  4. Step 4: Simplify right side
    119,092.38x = 11,194,577,736.92
  5. Step 5: Solve for x
    x = 11,194,577,736.92/119,092.38
  6. Step 6: Final answer
    x = 93,999.11

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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.