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Finding the Fourth Proportional to 267,361.65, 368,924.09 and 159,892.47

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Solution

The fourth proportional to 267,361.65, 368,924.09 and 159,892.47 is: 220,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,361.65 : 368,924.09 = 159,892.47 : x
  2. Step 2: Convert to fraction form
    267,361.65/368,924.09 = 159,892.47/x
  3. Step 3: Cross multiply
    267,361.65x = 368,924.09 × 159,892.47
  4. Step 4: Simplify right side
    267,361.65x = 58,988,183,193.14
  5. Step 5: Solve for x
    x = 58,988,183,193.14/267,361.65
  6. Step 6: Final answer
    x = 220,630.68

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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.