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Finding the Fourth Proportional to 101,344.30, 151,819.59 and 48,790.66

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Solution

The fourth proportional to 101,344.30, 151,819.59 and 48,790.66 is: 73,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,344.30 : 151,819.59 = 48,790.66 : x
  2. Step 2: Convert to fraction form
    101,344.30/151,819.59 = 48,790.66/x
  3. Step 3: Cross multiply
    101,344.30x = 151,819.59 × 48,790.66
  4. Step 4: Simplify right side
    101,344.30x = 7,407,377,997.03
  5. Step 5: Solve for x
    x = 7,407,377,997.03/101,344.30
  6. Step 6: Final answer
    x = 73,091.21

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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.