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Finding the Fourth Proportional to 48,181.74, 72,241.77 and 23,171.97

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Solution

The fourth proportional to 48,181.74, 72,241.77 and 23,171.97 is: 34,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,181.74 : 72,241.77 = 23,171.97 : x
  2. Step 2: Convert to fraction form
    48,181.74/72,241.77 = 23,171.97/x
  3. Step 3: Cross multiply
    48,181.74x = 72,241.77 × 23,171.97
  4. Step 4: Simplify right side
    48,181.74x = 1,673,984,484.99
  5. Step 5: Solve for x
    x = 1,673,984,484.99/48,181.74
  6. Step 6: Final answer
    x = 34,743.13

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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.