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Finding the Fourth Proportional to 101,997.39, 140,753.37 and 56,674.26

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Solution

The fourth proportional to 101,997.39, 140,753.37 and 56,674.26 is: 78,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,997.39 : 140,753.37 = 56,674.26 : x
  2. Step 2: Convert to fraction form
    101,997.39/140,753.37 = 56,674.26/x
  3. Step 3: Cross multiply
    101,997.39x = 140,753.37 × 56,674.26
  4. Step 4: Simplify right side
    101,997.39x = 7,977,093,087.26
  5. Step 5: Solve for x
    x = 7,977,093,087.26/101,997.39
  6. Step 6: Final answer
    x = 78,208.80

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1.5x scale

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.