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Finding the Fourth Proportional to 68,230.84, 102,355.59 and 23,847.31

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Solution

The fourth proportional to 68,230.84, 102,355.59 and 23,847.31 is: 35,774.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.84 : 102,355.59 = 23,847.31 : x
  2. Step 2: Convert to fraction form
    68,230.84/102,355.59 = 23,847.31/x
  3. Step 3: Cross multiply
    68,230.84x = 102,355.59 × 23,847.31
  4. Step 4: Simplify right side
    68,230.84x = 2,440,905,484.96
  5. Step 5: Solve for x
    x = 2,440,905,484.96/68,230.84
  6. Step 6: Final answer
    x = 35,774.23

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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.