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Finding the Fourth Proportional to 267,396.64, 368,972.22 and 159,927.48

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Solution

The fourth proportional to 267,396.64, 368,972.22 and 159,927.48 is: 220,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,396.64 : 368,972.22 = 159,927.48 : x
  2. Step 2: Convert to fraction form
    267,396.64/368,972.22 = 159,927.48/x
  3. Step 3: Cross multiply
    267,396.64x = 368,972.22 × 159,927.48
  4. Step 4: Simplify right side
    267,396.64x = 59,008,797,334.61
  5. Step 5: Solve for x
    x = 59,008,797,334.61/267,396.64
  6. Step 6: Final answer
    x = 220,678.90

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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.