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Finding the Fourth Proportional to 171,220.41, 256,823.24 and 44,857.87

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Solution

The fourth proportional to 171,220.41, 256,823.24 and 44,857.87 is: 67,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,220.41 : 256,823.24 = 44,857.87 : x
  2. Step 2: Convert to fraction form
    171,220.41/256,823.24 = 44,857.87/x
  3. Step 3: Cross multiply
    171,220.41x = 256,823.24 × 44,857.87
  4. Step 4: Simplify right side
    171,220.41x = 11,520,542,646.55
  5. Step 5: Solve for x
    x = 11,520,542,646.55/171,220.41
  6. Step 6: Final answer
    x = 67,284.87

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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.