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Finding the Fourth Proportional to 68,958, 95,162.04 and 39,150

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Solution

The fourth proportional to 68,958, 95,162.04 and 39,150 is: 54,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,958 : 95,162.04 = 39,150 : x
  2. Step 2: Convert to fraction form
    68,958/95,162.04 = 39,150/x
  3. Step 3: Cross multiply
    68,958x = 95,162.04 × 39,150
  4. Step 4: Simplify right side
    68,958x = 3,725,593,866.00
  5. Step 5: Solve for x
    x = 3,725,593,866.00/68,958
  6. Step 6: Final answer
    x = 54,027.00

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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.