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Finding the Fourth Proportional to 68,992.01, 103,401.44 and 29,502.69

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Solution

The fourth proportional to 68,992.01, 103,401.44 and 29,502.69 is: 44,217.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,992.01 : 103,401.44 = 29,502.69 : x
  2. Step 2: Convert to fraction form
    68,992.01/103,401.44 = 29,502.69/x
  3. Step 3: Cross multiply
    68,992.01x = 103,401.44 × 29,502.69
  4. Step 4: Simplify right side
    68,992.01x = 3,050,620,629.87
  5. Step 5: Solve for x
    x = 3,050,620,629.87/68,992.01
  6. Step 6: Final answer
    x = 44,217.01

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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.