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Finding the Fourth Proportional to 271,572.11, 407,351.99 and 159,960.33

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Solution

The fourth proportional to 271,572.11, 407,351.99 and 159,960.33 is: 239,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,572.11 : 407,351.99 = 159,960.33 : x
  2. Step 2: Convert to fraction form
    271,572.11/407,351.99 = 159,960.33/x
  3. Step 3: Cross multiply
    271,572.11x = 407,351.99 × 159,960.33
  4. Step 4: Simplify right side
    271,572.11x = 65,160,157,946.76
  5. Step 5: Solve for x
    x = 65,160,157,946.76/271,572.11
  6. Step 6: Final answer
    x = 239,936.86

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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.