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Finding the Fourth Proportional to 68,997.84, 103,474.88 and 29,544.36

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Solution

The fourth proportional to 68,997.84, 103,474.88 and 29,544.36 is: 44,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,997.84 : 103,474.88 = 29,544.36 : x
  2. Step 2: Convert to fraction form
    68,997.84/103,474.88 = 29,544.36/x
  3. Step 3: Cross multiply
    68,997.84x = 103,474.88 × 29,544.36
  4. Step 4: Simplify right side
    68,997.84x = 3,057,098,957.96
  5. Step 5: Solve for x
    x = 3,057,098,957.96/68,997.84
  6. Step 6: Final answer
    x = 44,307.17

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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.