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Finding the Fourth Proportional to 271,906.20, 407,859.30 and 94,394.70

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Solution

The fourth proportional to 271,906.20, 407,859.30 and 94,394.70 is: 141,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,906.20 : 407,859.30 = 94,394.70 : x
  2. Step 2: Convert to fraction form
    271,906.20/407,859.30 = 94,394.70/x
  3. Step 3: Cross multiply
    271,906.20x = 407,859.30 × 94,394.70
  4. Step 4: Simplify right side
    271,906.20x = 38,499,756,265.71
  5. Step 5: Solve for x
    x = 38,499,756,265.71/271,906.20
  6. Step 6: Final answer
    x = 141,592.05

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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.