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Finding the Fourth Proportional to 171,094.69, 256,620.16 and 71,236.27

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Solution

The fourth proportional to 171,094.69, 256,620.16 and 71,236.27 is: 106,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,094.69 : 256,620.16 = 71,236.27 : x
  2. Step 2: Convert to fraction form
    171,094.69/256,620.16 = 71,236.27/x
  3. Step 3: Cross multiply
    171,094.69x = 256,620.16 × 71,236.27
  4. Step 4: Simplify right side
    171,094.69x = 18,280,663,415.02
  5. Step 5: Solve for x
    x = 18,280,663,415.02/171,094.69
  6. Step 6: Final answer
    x = 106,845.30

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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.