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Finding the Fourth Proportional to 171,177.37, 256,876.21 and 92,346.01

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Solution

The fourth proportional to 171,177.37, 256,876.21 and 92,346.01 is: 138,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,177.37 : 256,876.21 = 92,346.01 : x
  2. Step 2: Convert to fraction form
    171,177.37/256,876.21 = 92,346.01/x
  3. Step 3: Cross multiply
    171,177.37x = 256,876.21 × 92,346.01
  4. Step 4: Simplify right side
    171,177.37x = 23,721,492,530.66
  5. Step 5: Solve for x
    x = 23,721,492,530.66/171,177.37
  6. Step 6: Final answer
    x = 138,578.44

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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.