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Finding the Fourth Proportional to 171,217.21, 256,761.96 and 58,865.62

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Solution

The fourth proportional to 171,217.21, 256,761.96 and 58,865.62 is: 88,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,217.21 : 256,761.96 = 58,865.62 : x
  2. Step 2: Convert to fraction form
    171,217.21/256,761.96 = 58,865.62/x
  3. Step 3: Cross multiply
    171,217.21x = 256,761.96 × 58,865.62
  4. Step 4: Simplify right side
    171,217.21x = 15,114,451,967.82
  5. Step 5: Solve for x
    x = 15,114,451,967.82/171,217.21
  6. Step 6: Final answer
    x = 88,276.48

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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.