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Finding the Fourth Proportional to 171,101.63, 256,680.12 and 52,745.29

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Solution

The fourth proportional to 171,101.63, 256,680.12 and 52,745.29 is: 79,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,101.63 : 256,680.12 = 52,745.29 : x
  2. Step 2: Convert to fraction form
    171,101.63/256,680.12 = 52,745.29/x
  3. Step 3: Cross multiply
    171,101.63x = 256,680.12 × 52,745.29
  4. Step 4: Simplify right side
    171,101.63x = 13,538,667,366.63
  5. Step 5: Solve for x
    x = 13,538,667,366.63/171,101.63
  6. Step 6: Final answer
    x = 79,126.47

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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.