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Finding the Fourth Proportional to 171,192.92, 256,650.26 and 71,427.44

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Solution

The fourth proportional to 171,192.92, 256,650.26 and 71,427.44 is: 107,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,192.92 : 256,650.26 = 71,427.44 : x
  2. Step 2: Convert to fraction form
    171,192.92/256,650.26 = 71,427.44/x
  3. Step 3: Cross multiply
    171,192.92x = 256,650.26 × 71,427.44
  4. Step 4: Simplify right side
    171,192.92x = 18,331,871,047.13
  5. Step 5: Solve for x
    x = 18,331,871,047.13/171,192.92
  6. Step 6: Final answer
    x = 107,083.11

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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.