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Finding the Fourth Proportional to 80,060.42, 110,409.92 and 48,173.96

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Solution

The fourth proportional to 80,060.42, 110,409.92 and 48,173.96 is: 66,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060.42 : 110,409.92 = 48,173.96 : x
  2. Step 2: Convert to fraction form
    80,060.42/110,409.92 = 48,173.96/x
  3. Step 3: Cross multiply
    80,060.42x = 110,409.92 × 48,173.96
  4. Step 4: Simplify right side
    80,060.42x = 5,318,883,069.68
  5. Step 5: Solve for x
    x = 5,318,883,069.68/80,060.42
  6. Step 6: Final answer
    x = 66,435.86

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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.