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Finding the Fourth Proportional to 171,092.88, 256,619.28 and 65,838.24

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Solution

The fourth proportional to 171,092.88, 256,619.28 and 65,838.24 is: 98,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,092.88 : 256,619.28 = 65,838.24 : x
  2. Step 2: Convert to fraction form
    171,092.88/256,619.28 = 65,838.24/x
  3. Step 3: Cross multiply
    171,092.88x = 256,619.28 × 65,838.24
  4. Step 4: Simplify right side
    171,092.88x = 16,895,361,745.27
  5. Step 5: Solve for x
    x = 16,895,361,745.27/171,092.88
  6. Step 6: Final answer
    x = 98,749.65

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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.