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Finding the Fourth Proportional to 171,059.10, 256,588.65 and 166,685.10

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Solution

The fourth proportional to 171,059.10, 256,588.65 and 166,685.10 is: 250,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,059.10 : 256,588.65 = 166,685.10 : x
  2. Step 2: Convert to fraction form
    171,059.10/256,588.65 = 166,685.10/x
  3. Step 3: Cross multiply
    171,059.10x = 256,588.65 × 166,685.10
  4. Step 4: Simplify right side
    171,059.10x = 42,769,504,784.12
  5. Step 5: Solve for x
    x = 42,769,504,784.12/171,059.10
  6. Step 6: Final answer
    x = 250,027.65

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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.