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Finding the Fourth Proportional to 67,548.42, 101,324.03 and 20,801.25

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Solution

The fourth proportional to 67,548.42, 101,324.03 and 20,801.25 is: 31,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,548.42 : 101,324.03 = 20,801.25 : x
  2. Step 2: Convert to fraction form
    67,548.42/101,324.03 = 20,801.25/x
  3. Step 3: Cross multiply
    67,548.42x = 101,324.03 × 20,801.25
  4. Step 4: Simplify right side
    67,548.42x = 2,107,666,375.03
  5. Step 5: Solve for x
    x = 2,107,666,375.03/67,548.42
  6. Step 6: Final answer
    x = 31,202.30

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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.