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Finding the Fourth Proportional to 251,479.88, 347,046.44 and 144,059.28

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Solution

The fourth proportional to 251,479.88, 347,046.44 and 144,059.28 is: 198,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,479.88 : 347,046.44 = 144,059.28 : x
  2. Step 2: Convert to fraction form
    251,479.88/347,046.44 = 144,059.28/x
  3. Step 3: Cross multiply
    251,479.88x = 347,046.44 × 144,059.28
  4. Step 4: Simplify right side
    251,479.88x = 49,995,260,272.96
  5. Step 5: Solve for x
    x = 49,995,260,272.96/251,479.88
  6. Step 6: Final answer
    x = 198,804.22

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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.