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Finding the Fourth Proportional to 100,669.88, 151,004.82 and 26,797.88

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Solution

The fourth proportional to 100,669.88, 151,004.82 and 26,797.88 is: 40,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,669.88 : 151,004.82 = 26,797.88 : x
  2. Step 2: Convert to fraction form
    100,669.88/151,004.82 = 26,797.88/x
  3. Step 3: Cross multiply
    100,669.88x = 151,004.82 × 26,797.88
  4. Step 4: Simplify right side
    100,669.88x = 4,046,608,290.76
  5. Step 5: Solve for x
    x = 4,046,608,290.76/100,669.88
  6. Step 6: Final answer
    x = 40,196.81

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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.