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Finding the Fourth Proportional to 67,969.37, 101,897.92 and 29,991.60

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Solution

The fourth proportional to 67,969.37, 101,897.92 and 29,991.60 is: 44,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,969.37 : 101,897.92 = 29,991.60 : x
  2. Step 2: Convert to fraction form
    67,969.37/101,897.92 = 29,991.60/x
  3. Step 3: Cross multiply
    67,969.37x = 101,897.92 × 29,991.60
  4. Step 4: Simplify right side
    67,969.37x = 3,056,081,694.96
  5. Step 5: Solve for x
    x = 3,056,081,694.96/67,969.37
  6. Step 6: Final answer
    x = 44,962.63

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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.