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Finding the Fourth Proportional to 267,389.52, 368,997.56 and 159,964.08

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Solution

The fourth proportional to 267,389.52, 368,997.56 and 159,964.08 is: 220,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,389.52 : 368,997.56 = 159,964.08 : x
  2. Step 2: Convert to fraction form
    267,389.52/368,997.56 = 159,964.08/x
  3. Step 3: Cross multiply
    267,389.52x = 368,997.56 × 159,964.08
  4. Step 4: Simplify right side
    267,389.52x = 59,026,355,207.64
  5. Step 5: Solve for x
    x = 59,026,355,207.64/267,389.52
  6. Step 6: Final answer
    x = 220,750.44

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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.