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Finding the Fourth Proportional to 171,276.33, 256,936.37 and 66,125.37

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Solution

The fourth proportional to 171,276.33, 256,936.37 and 66,125.37 is: 99,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,276.33 : 256,936.37 = 66,125.37 : x
  2. Step 2: Convert to fraction form
    171,276.33/256,936.37 = 66,125.37/x
  3. Step 3: Cross multiply
    171,276.33x = 256,936.37 × 66,125.37
  4. Step 4: Simplify right side
    171,276.33x = 16,990,012,202.08
  5. Step 5: Solve for x
    x = 16,990,012,202.08/171,276.33
  6. Step 6: Final answer
    x = 99,196.50

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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.