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Finding the Fourth Proportional to 67,801.40, 101,726.50 and 23,432.64

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Solution

The fourth proportional to 67,801.40, 101,726.50 and 23,432.64 is: 35,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,801.40 : 101,726.50 = 23,432.64 : x
  2. Step 2: Convert to fraction form
    67,801.40/101,726.50 = 23,432.64/x
  3. Step 3: Cross multiply
    67,801.40x = 101,726.50 × 23,432.64
  4. Step 4: Simplify right side
    67,801.40x = 2,383,720,452.96
  5. Step 5: Solve for x
    x = 2,383,720,452.96/67,801.40
  6. Step 6: Final answer
    x = 35,157.39

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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.