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Finding the Fourth Proportional to 248,593.21, 343,046.82 and 141,149.14

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Solution

The fourth proportional to 248,593.21, 343,046.82 and 141,149.14 is: 194,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,593.21 : 343,046.82 = 141,149.14 : x
  2. Step 2: Convert to fraction form
    248,593.21/343,046.82 = 141,149.14/x
  3. Step 3: Cross multiply
    248,593.21x = 343,046.82 × 141,149.14
  4. Step 4: Simplify right side
    248,593.21x = 48,420,763,622.73
  5. Step 5: Solve for x
    x = 48,420,763,622.73/248,593.21
  6. Step 6: Final answer
    x = 194,779.11

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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.