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Finding the Fourth Proportional to 171,217.44, 256,827.12 and 60,409.44

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Solution

The fourth proportional to 171,217.44, 256,827.12 and 60,409.44 is: 90,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,217.44 : 256,827.12 = 60,409.44 : x
  2. Step 2: Convert to fraction form
    171,217.44/256,827.12 = 60,409.44/x
  3. Step 3: Cross multiply
    171,217.44x = 256,827.12 × 60,409.44
  4. Step 4: Simplify right side
    171,217.44x = 15,514,782,496.01
  5. Step 5: Solve for x
    x = 15,514,782,496.01/171,217.44
  6. Step 6: Final answer
    x = 90,614.50

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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.