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Finding the Fourth Proportional to 67,770.31, 101,662.97 and 23,392.03

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Solution

The fourth proportional to 67,770.31, 101,662.97 and 23,392.03 is: 35,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,770.31 : 101,662.97 = 23,392.03 : x
  2. Step 2: Convert to fraction form
    67,770.31/101,662.97 = 23,392.03/x
  3. Step 3: Cross multiply
    67,770.31x = 101,662.97 × 23,392.03
  4. Step 4: Simplify right side
    67,770.31x = 2,378,103,244.13
  5. Step 5: Solve for x
    x = 2,378,103,244.13/67,770.31
  6. Step 6: Final answer
    x = 35,090.64

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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.