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Finding the Fourth Proportional to 251,765.31, 377,518.06 and 74,249.26

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Solution

The fourth proportional to 251,765.31, 377,518.06 and 74,249.26 is: 111,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,765.31 : 377,518.06 = 74,249.26 : x
  2. Step 2: Convert to fraction form
    251,765.31/377,518.06 = 74,249.26/x
  3. Step 3: Cross multiply
    251,765.31x = 377,518.06 × 74,249.26
  4. Step 4: Simplify right side
    251,765.31x = 28,030,436,591.64
  5. Step 5: Solve for x
    x = 28,030,436,591.64/251,765.31
  6. Step 6: Final answer
    x = 111,335.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.