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Finding the Fourth Proportional to 251,796.80, 353,137.60 and 251,796.80

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Solution

The fourth proportional to 251,796.80, 353,137.60 and 251,796.80 is: 353,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,796.80 : 353,137.60 = 251,796.80 : x
  2. Step 2: Convert to fraction form
    251,796.80/353,137.60 = 251,796.80/x
  3. Step 3: Cross multiply
    251,796.80x = 353,137.60 × 251,796.80
  4. Step 4: Simplify right side
    251,796.80x = 88,918,917,639.68
  5. Step 5: Solve for x
    x = 88,918,917,639.68/251,796.80
  6. Step 6: Final answer
    x = 353,137.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.