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Finding the Fourth Proportional to 267,924.64, 369,764.88 and 171,216.64

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Solution

The fourth proportional to 267,924.64, 369,764.88 and 171,216.64 is: 236,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,924.64 : 369,764.88 = 171,216.64 : x
  2. Step 2: Convert to fraction form
    267,924.64/369,764.88 = 171,216.64/x
  3. Step 3: Cross multiply
    267,924.64x = 369,764.88 × 171,216.64
  4. Step 4: Simplify right side
    267,924.64x = 63,309,900,343.60
  5. Step 5: Solve for x
    x = 63,309,900,343.60/267,924.64
  6. Step 6: Final answer
    x = 236,297.42

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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.