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Finding the Fourth Proportional to 68,992.26, 103,401.82 and 29,502.94

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Solution

The fourth proportional to 68,992.26, 103,401.82 and 29,502.94 is: 44,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,992.26 : 103,401.82 = 29,502.94 : x
  2. Step 2: Convert to fraction form
    68,992.26/103,401.82 = 29,502.94/x
  3. Step 3: Cross multiply
    68,992.26x = 103,401.82 × 29,502.94
  4. Step 4: Simplify right side
    68,992.26x = 3,050,657,026.83
  5. Step 5: Solve for x
    x = 3,050,657,026.83/68,992.26
  6. Step 6: Final answer
    x = 44,217.38

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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.