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Finding the Fourth Proportional to 68,670.72, 103,052.25 and 24,297.30

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Solution

The fourth proportional to 68,670.72, 103,052.25 and 24,297.30 is: 36,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,670.72 : 103,052.25 = 24,297.30 : x
  2. Step 2: Convert to fraction form
    68,670.72/103,052.25 = 24,297.30/x
  3. Step 3: Cross multiply
    68,670.72x = 103,052.25 × 24,297.30
  4. Step 4: Simplify right side
    68,670.72x = 2,503,891,433.93
  5. Step 5: Solve for x
    x = 2,503,891,433.93/68,670.72
  6. Step 6: Final answer
    x = 36,462.29

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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.