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Finding the Fourth Proportional to 68,997.96, 103,537.10 and 29,014.05

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Solution

The fourth proportional to 68,997.96, 103,537.10 and 29,014.05 is: 43,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,997.96 : 103,537.10 = 29,014.05 : x
  2. Step 2: Convert to fraction form
    68,997.96/103,537.10 = 29,014.05/x
  3. Step 3: Cross multiply
    68,997.96x = 103,537.10 × 29,014.05
  4. Step 4: Simplify right side
    68,997.96x = 3,004,030,596.26
  5. Step 5: Solve for x
    x = 3,004,030,596.26/68,997.96
  6. Step 6: Final answer
    x = 43,537.96

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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.