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Finding the Fourth Proportional to 171,224.48, 256,880.54 and 100,206.92

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Solution

The fourth proportional to 171,224.48, 256,880.54 and 100,206.92 is: 150,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,224.48 : 256,880.54 = 100,206.92 : x
  2. Step 2: Convert to fraction form
    171,224.48/256,880.54 = 100,206.92/x
  3. Step 3: Cross multiply
    171,224.48x = 256,880.54 × 100,206.92
  4. Step 4: Simplify right side
    171,224.48x = 25,741,208,614.06
  5. Step 5: Solve for x
    x = 25,741,208,614.06/171,224.48
  6. Step 6: Final answer
    x = 150,336.03

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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.