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Finding the Fourth Proportional to 71,624.96, 98,872.75 and 48,346.44

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Solution

The fourth proportional to 71,624.96, 98,872.75 and 48,346.44 is: 66,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,624.96 : 98,872.75 = 48,346.44 : x
  2. Step 2: Convert to fraction form
    71,624.96/98,872.75 = 48,346.44/x
  3. Step 3: Cross multiply
    71,624.96x = 98,872.75 × 48,346.44
  4. Step 4: Simplify right side
    71,624.96x = 4,780,145,165.17
  5. Step 5: Solve for x
    x = 4,780,145,165.17/71,624.96
  6. Step 6: Final answer
    x = 66,738.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.