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Finding the Fourth Proportional to 68,671.67, 103,015.67 and 24,289.34

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Solution

The fourth proportional to 68,671.67, 103,015.67 and 24,289.34 is: 36,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,671.67 : 103,015.67 = 24,289.34 : x
  2. Step 2: Convert to fraction form
    68,671.67/103,015.67 = 24,289.34/x
  3. Step 3: Cross multiply
    68,671.67x = 103,015.67 × 24,289.34
  4. Step 4: Simplify right side
    68,671.67x = 2,502,181,997.43
  5. Step 5: Solve for x
    x = 2,502,181,997.43/68,671.67
  6. Step 6: Final answer
    x = 36,436.89

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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.