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Finding the Fourth Proportional to 231,396.48, 347,026.56 and 104,963.58

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Solution

The fourth proportional to 231,396.48, 347,026.56 and 104,963.58 is: 157,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,396.48 : 347,026.56 = 104,963.58 : x
  2. Step 2: Convert to fraction form
    231,396.48/347,026.56 = 104,963.58/x
  3. Step 3: Cross multiply
    231,396.48x = 347,026.56 × 104,963.58
  4. Step 4: Simplify right side
    231,396.48x = 36,425,150,092.68
  5. Step 5: Solve for x
    x = 36,425,150,092.68/231,396.48
  6. Step 6: Final answer
    x = 157,414.45

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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.