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Finding the Fourth Proportional to 143,588.96, 215,375.52 and 50,101.28

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Solution

The fourth proportional to 143,588.96, 215,375.52 and 50,101.28 is: 75,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,588.96 : 215,375.52 = 50,101.28 : x
  2. Step 2: Convert to fraction form
    143,588.96/215,375.52 = 50,101.28/x
  3. Step 3: Cross multiply
    143,588.96x = 215,375.52 × 50,101.28
  4. Step 4: Simplify right side
    143,588.96x = 10,790,589,232.67
  5. Step 5: Solve for x
    x = 10,790,589,232.67/143,588.96
  6. Step 6: Final answer
    x = 75,149.16

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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.