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Finding the Fourth Proportional to 71,090.98, 106,596.78 and 44,739.25

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Solution

The fourth proportional to 71,090.98, 106,596.78 and 44,739.25 is: 67,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090.98 : 106,596.78 = 44,739.25 : x
  2. Step 2: Convert to fraction form
    71,090.98/106,596.78 = 44,739.25/x
  3. Step 3: Cross multiply
    71,090.98x = 106,596.78 × 44,739.25
  4. Step 4: Simplify right side
    71,090.98x = 4,769,059,989.62
  5. Step 5: Solve for x
    x = 4,769,059,989.62/71,090.98
  6. Step 6: Final answer
    x = 67,083.90

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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.