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Finding the Fourth Proportional to 271,380.53, 407,110.89 and 93,839.87

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Solution

The fourth proportional to 271,380.53, 407,110.89 and 93,839.87 is: 140,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,380.53 : 407,110.89 = 93,839.87 : x
  2. Step 2: Convert to fraction form
    271,380.53/407,110.89 = 93,839.87/x
  3. Step 3: Cross multiply
    271,380.53x = 407,110.89 × 93,839.87
  4. Step 4: Simplify right side
    271,380.53x = 38,203,230,957.63
  5. Step 5: Solve for x
    x = 38,203,230,957.63/271,380.53
  6. Step 6: Final answer
    x = 140,773.66

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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.