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Finding the Fourth Proportional to 253,676.94, 350,054.91 and 140,497.26

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Solution

The fourth proportional to 253,676.94, 350,054.91 and 140,497.26 is: 193,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,676.94 : 350,054.91 = 140,497.26 : x
  2. Step 2: Convert to fraction form
    253,676.94/350,054.91 = 140,497.26/x
  3. Step 3: Cross multiply
    253,676.94x = 350,054.91 × 140,497.26
  4. Step 4: Simplify right side
    253,676.94x = 49,181,755,704.55
  5. Step 5: Solve for x
    x = 49,181,755,704.55/253,676.94
  6. Step 6: Final answer
    x = 193,875.55

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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.