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Finding the Fourth Proportional to 143,619.96, 215,404.02 and 50,152.44

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Solution

The fourth proportional to 143,619.96, 215,404.02 and 50,152.44 is: 75,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,619.96 : 215,404.02 = 50,152.44 : x
  2. Step 2: Convert to fraction form
    143,619.96/215,404.02 = 50,152.44/x
  3. Step 3: Cross multiply
    143,619.96x = 215,404.02 × 50,152.44
  4. Step 4: Simplify right side
    143,619.96x = 10,803,037,188.81
  5. Step 5: Solve for x
    x = 10,803,037,188.81/143,619.96
  6. Step 6: Final answer
    x = 75,219.61

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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.