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Finding the Fourth Proportional to 252,728.22, 348,905.03 and 172,273.96

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Solution

The fourth proportional to 252,728.22, 348,905.03 and 172,273.96 is: 237,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,728.22 : 348,905.03 = 172,273.96 : x
  2. Step 2: Convert to fraction form
    252,728.22/348,905.03 = 172,273.96/x
  3. Step 3: Cross multiply
    252,728.22x = 348,905.03 × 172,273.96
  4. Step 4: Simplify right side
    252,728.22x = 60,107,251,182.02
  5. Step 5: Solve for x
    x = 60,107,251,182.02/252,728.22
  6. Step 6: Final answer
    x = 237,833.56

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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.