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Finding the Fourth Proportional to 273,201.66, 376,999.92 and 171,223.47

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Solution

The fourth proportional to 273,201.66, 376,999.92 and 171,223.47 is: 236,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,201.66 : 376,999.92 = 171,223.47 : x
  2. Step 2: Convert to fraction form
    273,201.66/376,999.92 = 171,223.47/x
  3. Step 3: Cross multiply
    273,201.66x = 376,999.92 × 171,223.47
  4. Step 4: Simplify right side
    273,201.66x = 64,551,234,492.12
  5. Step 5: Solve for x
    x = 64,551,234,492.12/273,201.66
  6. Step 6: Final answer
    x = 236,276.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.