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Finding the Fourth Proportional to 67,372.40, 101,058.60 and 41,128.40

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Solution

The fourth proportional to 67,372.40, 101,058.60 and 41,128.40 is: 61,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372.40 : 101,058.60 = 41,128.40 : x
  2. Step 2: Convert to fraction form
    67,372.40/101,058.60 = 41,128.40/x
  3. Step 3: Cross multiply
    67,372.40x = 101,058.60 × 41,128.40
  4. Step 4: Simplify right side
    67,372.40x = 4,156,378,524.24
  5. Step 5: Solve for x
    x = 4,156,378,524.24/67,372.40
  6. Step 6: Final answer
    x = 61,692.60

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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.