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Finding the Fourth Proportional to 171,014.60, 256,298.20 and 91,958.60

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Solution

The fourth proportional to 171,014.60, 256,298.20 and 91,958.60 is: 137,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,014.60 : 256,298.20 = 91,958.60 : x
  2. Step 2: Convert to fraction form
    171,014.60/256,298.20 = 91,958.60/x
  3. Step 3: Cross multiply
    171,014.60x = 256,298.20 × 91,958.60
  4. Step 4: Simplify right side
    171,014.60x = 23,568,823,654.52
  5. Step 5: Solve for x
    x = 23,568,823,654.52/171,014.60
  6. Step 6: Final answer
    x = 137,817.61

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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.