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Finding the Fourth Proportional to 171,311.44, 256,895.02 and 51,325.03

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Solution

The fourth proportional to 171,311.44, 256,895.02 and 51,325.03 is: 76,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,311.44 : 256,895.02 = 51,325.03 : x
  2. Step 2: Convert to fraction form
    171,311.44/256,895.02 = 51,325.03/x
  3. Step 3: Cross multiply
    171,311.44x = 256,895.02 × 51,325.03
  4. Step 4: Simplify right side
    171,311.44x = 13,185,144,608.35
  5. Step 5: Solve for x
    x = 13,185,144,608.35/171,311.44
  6. Step 6: Final answer
    x = 76,965.93

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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.