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Finding the Fourth Proportional to 137,692.48, 206,556 and 44,173.12

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Solution

The fourth proportional to 137,692.48, 206,556 and 44,173.12 is: 66,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,692.48 : 206,556 = 44,173.12 : x
  2. Step 2: Convert to fraction form
    137,692.48/206,556 = 44,173.12/x
  3. Step 3: Cross multiply
    137,692.48x = 206,556 × 44,173.12
  4. Step 4: Simplify right side
    137,692.48x = 9,124,222,974.72
  5. Step 5: Solve for x
    x = 9,124,222,974.72/137,692.48
  6. Step 6: Final answer
    x = 66,265.22

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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.