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Finding the Fourth Proportional to 267,644.96, 369,244.64 and 154,445.84

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Solution

The fourth proportional to 267,644.96, 369,244.64 and 154,445.84 is: 213,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,644.96 : 369,244.64 = 154,445.84 : x
  2. Step 2: Convert to fraction form
    267,644.96/369,244.64 = 154,445.84/x
  3. Step 3: Cross multiply
    267,644.96x = 369,244.64 × 154,445.84
  4. Step 4: Simplify right side
    267,644.96x = 57,028,298,590.30
  5. Step 5: Solve for x
    x = 57,028,298,590.30/267,644.96
  6. Step 6: Final answer
    x = 213,074.43

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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.