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Finding the Fourth Proportional to 71,084.80, 98,096.42 and 39,253.02

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Solution

The fourth proportional to 71,084.80, 98,096.42 and 39,253.02 is: 54,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,084.80 : 98,096.42 = 39,253.02 : x
  2. Step 2: Convert to fraction form
    71,084.80/98,096.42 = 39,253.02/x
  3. Step 3: Cross multiply
    71,084.80x = 98,096.42 × 39,253.02
  4. Step 4: Simplify right side
    71,084.80x = 3,850,580,245.66
  5. Step 5: Solve for x
    x = 3,850,580,245.66/71,084.80
  6. Step 6: Final answer
    x = 54,168.83

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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.