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Finding the Fourth Proportional to 203,092.44, 280,298.52 and 126,623.94

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Solution

The fourth proportional to 203,092.44, 280,298.52 and 126,623.94 is: 174,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,092.44 : 280,298.52 = 126,623.94 : x
  2. Step 2: Convert to fraction form
    203,092.44/280,298.52 = 126,623.94/x
  3. Step 3: Cross multiply
    203,092.44x = 280,298.52 × 126,623.94
  4. Step 4: Simplify right side
    203,092.44x = 35,492,502,978.57
  5. Step 5: Solve for x
    x = 35,492,502,978.57/203,092.44
  6. Step 6: Final answer
    x = 174,760.34

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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.