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Finding the Fourth Proportional to 73,086.06, 109,629.11 and 17,682.06

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Solution

The fourth proportional to 73,086.06, 109,629.11 and 17,682.06 is: 26,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,086.06 : 109,629.11 = 17,682.06 : x
  2. Step 2: Convert to fraction form
    73,086.06/109,629.11 = 17,682.06/x
  3. Step 3: Cross multiply
    73,086.06x = 109,629.11 × 17,682.06
  4. Step 4: Simplify right side
    73,086.06x = 1,938,468,500.77
  5. Step 5: Solve for x
    x = 1,938,468,500.77/73,086.06
  6. Step 6: Final answer
    x = 26,523.09

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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.