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Finding the Fourth Proportional to 248,697.14, 372,936.15 and 71,163.77

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Solution

The fourth proportional to 248,697.14, 372,936.15 and 71,163.77 is: 106,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,697.14 : 372,936.15 = 71,163.77 : x
  2. Step 2: Convert to fraction form
    248,697.14/372,936.15 = 71,163.77/x
  3. Step 3: Cross multiply
    248,697.14x = 372,936.15 × 71,163.77
  4. Step 4: Simplify right side
    248,697.14x = 26,539,540,538.60
  5. Step 5: Solve for x
    x = 26,539,540,538.60/248,697.14
  6. Step 6: Final answer
    x = 106,714.30

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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.