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Finding the Fourth Proportional to 68,795.38, 103,203.34 and 24,418.42

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Solution

The fourth proportional to 68,795.38, 103,203.34 and 24,418.42 is: 36,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,795.38 : 103,203.34 = 24,418.42 : x
  2. Step 2: Convert to fraction form
    68,795.38/103,203.34 = 24,418.42/x
  3. Step 3: Cross multiply
    68,795.38x = 103,203.34 × 24,418.42
  4. Step 4: Simplify right side
    68,795.38x = 2,520,062,501.52
  5. Step 5: Solve for x
    x = 2,520,062,501.52/68,795.38
  6. Step 6: Final answer
    x = 36,631.28

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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.