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Finding the Fourth Proportional to 171,255.48, 256,922.28 and 92,367.96

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Solution

The fourth proportional to 171,255.48, 256,922.28 and 92,367.96 is: 138,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,255.48 : 256,922.28 = 92,367.96 : x
  2. Step 2: Convert to fraction form
    171,255.48/256,922.28 = 92,367.96/x
  3. Step 3: Cross multiply
    171,255.48x = 256,922.28 × 92,367.96
  4. Step 4: Simplify right side
    171,255.48x = 23,731,386,882.15
  5. Step 5: Solve for x
    x = 23,731,386,882.15/171,255.48
  6. Step 6: Final answer
    x = 138,573.01

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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.