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Finding the Fourth Proportional to 251,955.82, 347,693.26 and 137,231.26

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Solution

The fourth proportional to 251,955.82, 347,693.26 and 137,231.26 is: 189,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,955.82 : 347,693.26 = 137,231.26 : x
  2. Step 2: Convert to fraction form
    251,955.82/347,693.26 = 137,231.26/x
  3. Step 3: Cross multiply
    251,955.82x = 347,693.26 × 137,231.26
  4. Step 4: Simplify right side
    251,955.82x = 47,714,384,163.31
  5. Step 5: Solve for x
    x = 47,714,384,163.31/251,955.82
  6. Step 6: Final answer
    x = 189,376.00

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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.