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Finding the Fourth Proportional to 119,694.44, 165,201.46 and 68,737.16

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Solution

The fourth proportional to 119,694.44, 165,201.46 and 68,737.16 is: 94,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,694.44 : 165,201.46 = 68,737.16 : x
  2. Step 2: Convert to fraction form
    119,694.44/165,201.46 = 68,737.16/x
  3. Step 3: Cross multiply
    119,694.44x = 165,201.46 × 68,737.16
  4. Step 4: Simplify right side
    119,694.44x = 11,355,479,188.25
  5. Step 5: Solve for x
    x = 11,355,479,188.25/119,694.44
  6. Step 6: Final answer
    x = 94,870.57

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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.