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Finding the Fourth Proportional to 68,015.62, 101,965.11 and 23,614.66

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Solution

The fourth proportional to 68,015.62, 101,965.11 and 23,614.66 is: 35,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,015.62 : 101,965.11 = 23,614.66 : x
  2. Step 2: Convert to fraction form
    68,015.62/101,965.11 = 23,614.66/x
  3. Step 3: Cross multiply
    68,015.62x = 101,965.11 × 23,614.66
  4. Step 4: Simplify right side
    68,015.62x = 2,407,871,404.51
  5. Step 5: Solve for x
    x = 2,407,871,404.51/68,015.62
  6. Step 6: Final answer
    x = 35,401.74

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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.