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Finding the Fourth Proportional to 243,577.97, 365,449.66 and 131,269.44

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Solution

The fourth proportional to 243,577.97, 365,449.66 and 131,269.44 is: 196,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,577.97 : 365,449.66 = 131,269.44 : x
  2. Step 2: Convert to fraction form
    243,577.97/365,449.66 = 131,269.44/x
  3. Step 3: Cross multiply
    243,577.97x = 365,449.66 × 131,269.44
  4. Step 4: Simplify right side
    243,577.97x = 47,972,372,216.39
  5. Step 5: Solve for x
    x = 47,972,372,216.39/243,577.97
  6. Step 6: Final answer
    x = 196,948.73

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1.5x scale

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.