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Finding the Fourth Proportional to 187,735.28, 259,072.48 and 101,692.64

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Solution

The fourth proportional to 187,735.28, 259,072.48 and 101,692.64 is: 140,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,735.28 : 259,072.48 = 101,692.64 : x
  2. Step 2: Convert to fraction form
    187,735.28/259,072.48 = 101,692.64/x
  3. Step 3: Cross multiply
    187,735.28x = 259,072.48 × 101,692.64
  4. Step 4: Simplify right side
    187,735.28x = 26,345,764,442.55
  5. Step 5: Solve for x
    x = 26,345,764,442.55/187,735.28
  6. Step 6: Final answer
    x = 140,334.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.