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Finding the Fourth Proportional to 200,917.06, 301,165.96 and 67,751.53

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Solution

The fourth proportional to 200,917.06, 301,165.96 and 67,751.53 is: 101,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,917.06 : 301,165.96 = 67,751.53 : x
  2. Step 2: Convert to fraction form
    200,917.06/301,165.96 = 67,751.53/x
  3. Step 3: Cross multiply
    200,917.06x = 301,165.96 × 67,751.53
  4. Step 4: Simplify right side
    200,917.06x = 20,404,454,573.92
  5. Step 5: Solve for x
    x = 20,404,454,573.92/200,917.06
  6. Step 6: Final answer
    x = 101,556.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.